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2018-12-20 00:00:00
<p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; text-align: center; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(192, 0, 0); font-size: 15px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">主要纺织纤维的公定回潮率：</strong></span></p><table align="center" style="margin: 0px 0px 10px; padding: 0px; border-collapse: collapse; width: 378px; max-width: 100%; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; box-sizing: border-box !important; word-wrap: break-word !important;" width="677"><tbody style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 19px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(192, 0, 0); font-size: 15px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">纤维</strong></span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; color: rgb(192, 0, 0); font-size: 15px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">公定回潮率</strong></span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">棉花</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">8.5%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">涤纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">0.4%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">苎麻</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">13%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">锦纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">4.5%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 19px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">羊毛</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">15-16%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">维尼纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">5%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">蚕丝</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">11%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">腈纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">2%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">粘胶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">13%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 21px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">氯纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">0%</span></td></tr><tr style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; height: 19px;"><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="24"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">丙纶</span></td><td align="center" style="margin: 0px; padding: 5px 10px; word-break: break-all; border-style: solid; border-color: rgb(75, 172, 198); max-width: 100%; word-wrap: break-word !important; box-sizing: border-box !important;" valign="middle" width="106"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">0%</span></td></tr></tbody></table><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px; line-height: 2em;">纺织材料包括加工成纺织品的纺织原料、纺织半成品，如各种纤维、条子、纱线、织物等。纺织材料的吸湿性是关系到材料性能和加工工艺的一项重要特性。 纺织材料的吸湿性通常用回潮率、纺织材料公定回潮率测试公定回潮率来表示，这些基本质量指标在纺织材料的商业贸易、性能测试及在纺织加工中起着十分重要的作用。纺织材料公定回潮率测试方法测试方法(1)直接测定法(2)间接测定法。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 25.6px; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">回潮率和公定回潮率: 纺织材料的回潮率为试样中吸着的水量占试样干燥重量的百分率。纺织材料的回潮率不时，其重量也不同。为了消除因回潮率不同而引起的重量不同，满足纺织材料 贸易和检验的需要，国家对各种纺织材料的回潮率规定了相应的标准，称为公定回潮率,它在数值上接近标准温湿度条件下测得的平衡回潮率。应注意的是，各国对 纺织材料公定回潮率的规定往往根据自己的实际情况而定，所以并不完全一致。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">纺织材料回潮率的测试方法有多种﹕</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">（1)直接测定法﹕先称取试样重量﹐然后去除其中水分﹐再称取试样干燥重量﹐计算实际回潮率。根据去除水分方法的不同﹐直接测定法有﹕烘箱法﹑红外 线辐射法﹑高频电场加热法﹑真空干燥法和吸湿剂干燥法等。在工业生产中常采用的是烘箱法和红外线辐射法。烘箱法的优点是测定结果比较准确﹐缺点是速度慢﹑ 效率低。红外线辐射法的优点是速度快﹑效率高﹑节省能源﹐缺点是温度不易掌握﹑测定的结果有波动。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">(2)间接测定法﹕是利用纤维的某些性质和回潮率之间的关系间接推算纤维的回潮率。这种方法的优点是速度快﹑效率高﹐但纤维有关性质和回潮率之间关 系值的确定仍需要利用直接法。间接法可以分为电阻法﹑电容法﹑红外线吸收法和微波法等。中国多用电阻法测定原棉水分。微波法具有快速﹑连续﹑非接触﹑无破 坏性等特点﹐可用于连续测定和自动控制﹐是近来尚在发展的新技术。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">常用烘箱法的介绍: 它是通过烘箱内的电阻加热，使烘箱内空气的温度到某一定值，并在整个烘燥中保持这一温度，然后将已称得湿重的纺织材料试样放入恒温烘箱内进行烘燥，使纺织 材料中的水分不断蒸发于热空气中，并利用烘箱的排气装置不断将湿热空气排出箱外，为纺织材料内所含水分不断蒸发创造条件。由于纺织材料所含水分不断蒸发和 散失，重量不断减少，当重量烘干至不变时，即为纺织材料的干重。这时可采用箱内热称的方法称得试样干重，最后可根据试样的湿重和干重求得纺织材料的回潮 率。在烘箱法中，规定烘燥温度，棉为105℃&plusmn;3℃；毛和大多数化纤为105～110℃；丝规定为140～145℃。烘燥时间一般为90min。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"> </p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">此外，还可采用电阻湿法等测定纺织材料的回潮率。电阻湿法是根据纺织材料在不同回潮率下具有不同的电阻性，从而测定纺织材料所含的水分。对干含水率 不稳定的商品，如羊毛、生丝、棉花等，为准确计算这类商品的重量，国际上通常采用按公量（Conditioned weight）计算的方法、即测定商品的实际回潮率（含水率）以计算商品干净重，再换算成公定回潮率的重量。</span></p><p style="margin: 0px; padding: 0px; max-width: 100%; clear: both; min-height: 1em; font-family: -apple-system-font, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; color: rgb(62, 62, 62); font-size: 16px; line-height: 2em; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; font-size: 15px;">计算公式如下： 公量=[商品实际重量/(1＋实际回潮率)] ╳(1＋公定回潮率）＝商品干净重╳（1＋公定回潮率）</span></p><p><br/></p><p><br/></p>