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2.5平方铜线能带多少a_家居日记
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2.5平方铜线能带多少a

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2.5平方铜线能带多少a 这种规格电线能够负载的电流是28安，电线负载的流量需拿电线的截面积乘以8，而它的功率则需要拿电压乘以8，再乘以截面积，实际配置电路的时


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