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5升油是多少千克
更新时间: 2020-11-05 00:00:00  

5升油是4千克左右,油的密度大约0.8kg/m,质量=密度*体积。

最早的质量单位千克的定义是:千克的重量,等于1dm^3的纯水在,4℃时的重量。1799年第一个“千克原器”和“档案米”一起存放于法国巴黎档案局。

关键词: 多少 千克

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