试题与答案

变频器主电路电容器主要依据电容量下降比率来判断,若小于初始值的()即需更换。

题型:填空题

题目:

变频器主电路电容器主要依据电容量下降比率来判断,若小于初始值的()即需更换。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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    A.  he knows little knowledge (知识)    

    B.  he is young and strong

    C.  he tries to be a farmer              

    D.  he finds a job on a farm

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    B.  he does some unskilled work

    C.  he isn't polite to the farmer        

    D.  he eats more

3. Henry hopes to _____.

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    C.  lie down in the forest            

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