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刷鞋子为什么要用纸包起来
更新时间: 2020-10-11 00:00:00  

原因如下:

1、刷干净的鞋子晾晒的时候如果被阳光长时间直射,鞋子表面会被晒黄;

2、刷鞋子后残留的水分中还有脏东西,如蛋白。

注:当晾晒时,表层水分先蒸发,鞋子里面含水量高于表层,水分会由内向外运动,水中溶解的脏东西会随着水分的运动向鞋子表层聚集,水分蒸发后,脏物质留在了鞋子表面,如果鞋子用卫生纸包紧,脏物质会残留在表层的卫生纸上。

关键词: 鞋子 为什么 纸包 起来

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