名词
中文翻译：Unknown
同义词：
['three-phase motor', 'three-phase induction motor', 'three-phase synchronous motor']
例句：
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1. This three-armatureDC motor is used for industrial applications.
这种三相直流电机用于工业应用。
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2. Thethree-phase AC motor is more efficientthan the three-phase DC motor.
三相交流电机比三相直流电机更高效。
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3. The three-phase motor isa common choice for large industrial machines.
三相电机是大型工业机器的常见选择。