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可乐打不开瓶盖怎么办

更新时间: 2020-11-04 00:00:00     

可乐打不开瓶盖可以找根绳子将一端拴住,在瓶盖上反绕一圈,用右手拉紧,左手握瓶向前推,瓶盖即可开启。或者把瓶盖朝下放进水里,盆里的水刚好没过瓶盖,等半分钟左右,就可以开瓶盖了。这是因为物体都有热胀冷缩的特性,金属瓶盖接触到热水,迅速膨胀,虽然玻璃瓶口受热也会膨胀,但它是晚一步的,是隔着瓶盖受热的。

关键词: 可乐 瓶盖 怎么办

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