<section data-role="outer" label="Powered by 135editor.com"><section class="_135editor" data-tools="135编辑器" data-id="111798"><section style="margin:10px auto"><section style="display: flex; justify-content: flex-start; padding: 0px 0px 0px 5px; margin: 0px 0px -5px;"><section style="background-color: rgb(166, 201, 84); width: 13px; height: 13px; overflow: hidden;"></section></section><section style="background-color: rgb(247, 252, 255); border-radius: 10px; padding: 20px;"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;"><section class="_135editor" data-role="title" data-tools="135编辑器" data-id="111808"><section style="margin:10px auto"><section style="display: flex;justify-content: center;"><section><section style="background-color: rgb(255, 255, 255); width: 10px; height: 10px; display: flex; justify-content: center; align-items: center; transform: rotate(0deg);"><section class="assistant" style="width: 6px; height: 6px; background-color: rgb(166, 201, 84); overflow: hidden;"></section></section><section style="margin: -5px 0px 0px; padding: 0px 5px;"><section style="border: 1px solid rgb(199, 235, 250); font-size: 16px; color: rgb(97, 201, 243); padding: 5px 30px;"><strong class="135brush" data-brushtype="text" hm_fix="275:402">原棉</strong></section></section><section style="display: flex;justify-content: flex-end;"><section style="background-color: rgb(255, 255, 255); width: 10px; height: 10px; display: flex; justify-content: center; align-items: center; margin: -5px 0px 0px; transform: rotate(0deg);"><section class="assistant" style="width: 6px; height: 6px; background-color: rgb(166, 201, 84);"><br></section></section></section></section></section></section></section><p style="vertical-align: inherit; text-indent: 0em; line-height: 2em;" align="justify">棉纤维的形态和构造<br>（1）&nbsp;棉纤维的形态成熟正常的棉纤维断面呈腰子形，未成熟的纤维断面形态呈扁带形，中腔很大；过成熟的棉纤维的形态呈园形，中腔很小。</p><p style="vertical-align: inherit; text-indent: 0em; line-height: 2em;" align="justify"><br></p><p style="vertical-align: inherit; text-indent: 0em; line-height: 2em;" align="justify">（2）&nbsp;棉纤维的构造正常成熟的棉纤维的构造可分为棉腊、表皮、初生层、次生层与中腔等五层次。</p></section></section><section style="display: flex; justify-content: flex-end; padding: 0px 5px 0px 0px; margin: -20px 0px 0px;"><section class="assistant" style="width: 35px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://image2.135editor.com/cache/remote/aHR0cHM6Ly9tbWJpei5xbG9nby5jbi9tbWJpel9wbmcvdm5UNGhiYUxvWDdDVndQM0NoTGljcEVGTU40UnpZTE95QVVweE9OM1lBTlFEQkwzYnhCYVBPS0J6M3A1OEhjQ1pSNkJzVjV6UXB2ZGdMaWN0Q0xOa0xIdy8wP3d4X2ZtdD1wbmc=" data-width="100%" draggable="false"></section></section></section></section><section data-role="paragraph" class="_135editor"><p style="vertical-align:inherit;"><br></p></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section></section>