一个平方电缆过多少电流?220v,380v情况下铝线和铜线
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![一个平方电缆过多少电流?220v,380v情况下铝线和铜线](/uploads/image/z/2376728-8-8.jpg?t=%E4%B8%80%E4%B8%AA%E5%B9%B3%E6%96%B9%E7%94%B5%E7%BC%86%E8%BF%87%E5%A4%9A%E5%B0%91%E7%94%B5%E6%B5%81%3F220v%2C380v%E6%83%85%E5%86%B5%E4%B8%8B%E9%93%9D%E7%BA%BF%E5%92%8C%E9%93%9C%E7%BA%BF)
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