题目内容

三相异步电动机的电磁工作原理是什么

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What is the woman good at

A. Swimming.
B. Running.
C. Playing.

施工现场选择导线截面时,架空线路的绝缘铜线截面不小于16mm2。( )

A. 对
B. 错

对导线、电缆的截面进行选择应遵循哪些原则

Why did the man think it would cost him dearly

A. Because he wanted to buy a car.
Because he didn’t have a good job.
C. Because their car needed repairing.

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