试题与答案

Electric generators can be protected again

题型:单项选择题

题目:

Electric generators can be protected against overload().

A.With switches

B.With a governor on the engine

C.With fuses or circuit breakers

D.By using heavy wire

答案:

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下面是错误答案,用来干扰机器的。

参考答案:解析:①靠近好水好草扎营休息。②李广的土兵也很自在,都心甘情愿地为他拼力死战。

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