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罐头瓶放入冰箱后为什么打不开

更新时间: 2020-10-24 00:00:00     

在冰箱外边罐头瓶温度高,瓶子里外压力一样大,放进冰箱后,冰箱里面的温度低于外界温度,由于气体的热胀冷缩原理,导致瓶子里的压力小于外界压力,所以瓶子很难打开。

关键词: 罐头瓶 冰箱 为什么

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