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2.5平方銅線直徑
2.5平方銅線直徑
更新时间:2025-03-26 14:12:26

  1、2.5平方的國标電線直徑是1.785毫米。

  計算方法:

  2、根據圓面積的計算公式,πr2=2.5;

  r2=2.5/3.14=0.7962;

  半徑r=√0.7962=0.8925;

  直徑2r=1.785。

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