【单选题】【消耗次数:1】
三相异步电动机的转向取决于( )。
初始转向
电源相序
电源电压
电动机本身
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相关题目
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【单选题】 三相异步电动机在运行时出现一相电源断电,对电动机带来的影响主要是()。
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