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3.5l是多少斤
更新时间: 2021-11-29 20:56:11  

水的比重是1千克/升(即每升1公斤),1公斤=2斤,3.5升是7斤水。升是表示容积的单位,符号为L,公斤是表示重量的单位,即为千克,符号为kg。升和公斤不是一种单位,不能换算。在国际单位制中,质量的基本单位是千克(符号Kg)。实验室中天平是测质量的常用工具。计量液体的体积,如水,油等,常用容积单位升和毫升,也可以写成L和mL。

关键词: 5l 多少

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