建筑工程中应用的动力设备有四种,即()、()、()和()。...
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Wednesday, April 3, 2024
接触电压限值(touch voltage limit)...
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导线在电杆上的排列为:高压线路可为三角排列,线间水平距离为()m;低压线路均为水平排列,导线间水平距离为()m。...
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