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两个mm是毫米吗
更新时间: 2020-11-16 00:00:00  

mm是指毫米。

毫米,又称公厘(或公釐),是长度单位和降雨量单位,英文缩写mm。

10毫米相当于1厘米,100毫米相当于1分米,1000毫米相当于1米。

关键词: mm 毫米

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