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20l水是多少公斤
更新时间: 2020-10-03 00:00:00  

根据质量等于密度乘体积。水的密度是一千克每立方米。

根据单位换算原则,一千克可以一公斤,一立方米等于一升。

二十乘一等于二十,所以二十升水是二十公斤。

关键词: 20l 多少 公斤

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