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2.5平方铜线直径
更新时间: 2021-03-01 03:04:55  

1、2.5平方的国标电线直径是1.785毫米。

计算方法:

2、根据圆面积的计算公式,πr2=2.5;

r2=2.5/3.14=0.7962;

半径r=√0.7962=0.8925;

直径2r=1.785。

关键词: 平方 铜线 直径

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