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羽绒服和棉花棉服哪个暖和

更新时间: 2020-10-06 00:00:00     

羽绒服暖和的原因如下:

1、棉花是传统保暖材料,棉纤维细度较细,又有天然卷曲,截面还有中腔,蓄热能力强;

2、羽绒的结构比棉花要特殊,它是朵状的结构,每一朵羽绒由绒核和羽丝组成,由绒核中放射出许多微细而纤长的羽丝,羽绒的每根羽丝是由成千上万个微小的鳞片叠加而成,每个鳞片都是中空的,这些微小的孔隙,能够抓牢大量的静止空气。

关键词: 羽绒服 棉花 哪个 暖和

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