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没有称怎么估计25克盐有多少

更新时间: 2020-09-06 00:00:00     

食盐松散堆的密度大约是1、5至2克每立方厘米,25克大约是14立方厘米,拿一张白纸,画一个14平方厘米的方块,大概是3、8厘米见方,在里面堆1厘米高的盐,堆满就大约是25克。考虑到边缘的盐是斜坡样子的,所以方块画大一点,可以在16平方厘米的方框里堆盐。

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