已知对称三相负载各阻抗均为8＋j6Ω，Y接频380V的三相电源上，若u AB 的...

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【简答题】

已知对称三相负载各阻抗均为8＋j6Ω，Y接频380V的三相电源上，若u AB 的60°，求各相电流。

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参考答案：

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If，in the Master's opinion，communications on that frequency will interfere with emergency communications

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【简答题】简要说明施工定额中人工、材料和机械的消耗量是如何确定的。