<section data-role="outer" class="article135" label="edit by 135editor"><section class="_135editor" data-tools="135编辑器" data-id="113971"><section style="margin: 20px auto;"><section style="transform-style: preserve-3d "><section style="display: flex;justify-content: flex-start;transform: translateZ(10px);transform: translateZ(10px);-webkit-transform: translateZ(10px);-moz-transform: translateZ(10px);-ms-transform: translateZ(10px);-o-transform: translateZ(10px);"><section><section style="display: flex; align-items: flex-start; padding-left: 5px;"><section style="font-size: 16px;letter-spacing: 1.5px;color: #f9d042;"><strong>0</strong><strong class="autonum" data-original-title="" title="">1</strong></section><section style="font-size: 16px; color: rgb(51, 51, 51); text-align: center; padding: 0px 5px;"><strong class="135brush" data-brushtype="text">羽绒服保暖的原理是什么</strong></section></section><section style="display: flex;justify-content: flex-start;align-items: flex-end; transform: translateZ(10px);transform: translateZ(10px);-webkit-transform: translateZ(10px);-moz-transform: translateZ(10px);-ms-transform: translateZ(10px);-o-transform: translateZ(10px);"><section class="assistant" style="width: 35px;"><img class="assistant" style="vertical-align: inherit; width: 100%; display: block; max-width: 100% !important;" src="https://bcn.135editor.com/files/images/editor_styles/270ed76bd8373cf86f3c3af20ffb0624.gif" data-width="100%" draggable="false" data-ratio="0.37735849056603776" data-w="53"></section></section></section></section><section style="padding: 6px 0 0 6px;margin-top: -10px;transform: translateZ(5px);transform: translateZ(5px);-webkit-transform: translateZ(5px);-moz-transform: translateZ(5px);-ms-transform: translateZ(5px);-o-transform: translateZ(5px);"><section style="border: 1px solid rgb(51, 51, 51); background-color: rgb(249, 208, 66);"><section style="border: 1px solid #333;background-color: #ffffff;padding: 15px 10px;transform: translate(-5px, -5px);-webkit-transform: translate(-5px, -5px);-moz-transform: translate(-5px, -5px);-ms-transform: translate(-5px, -5px);-o-transform: translate(-5px, -5px);"><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;"><p style="vertical-align: inherit; line-height: 1.75em;">因为羽绒与羽绒之间有相互的空隙，能够形成一层与外界相隔的保暖层。羽绒很软很轻，相互之间的空隙有一定量的空气，由于空隙很小，造成其间的空气对流较果不好，使得外面的冷空气不容易到达到里面，面相反，里面的热空气也不容易到外面。从而使得温度得到保持。其实不仅是羽绒，一些毛类也可以达到这种较果。</p></section></section></section></section></section></section></section><section data-role="paragraph" class="_135editor"><p style="vertical-align:inherit;"><br></p></section></section>