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为什么在水里加盐鸡蛋会浮起来

更新时间: 2020-07-03 00:00:00     

鸡蛋密度比水大,在水里加盐后变成盐水,盐水越浓密度越大,当盐水密度比鸡蛋密度大的时候鸡蛋就能够漂浮起来了。

关键词: 为什么 里加 鸡蛋 起来

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