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为什么热水袋用久了不热

更新时间: 2020-11-04 00:00:00     

因为用时间久了,热水袋内会有残留气体及水的电阻增大导致保暖差,所以会导致不热的。

热水袋字面意思是里面有热水的袋子,现代热水袋通过电动加热装置将内部的易热物质加热,免去了装入热水的麻烦,因此电热水袋和电热饼正得到越来越多人的青睐。

关键词: 为什么 热水袋

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