试题与答案

阀最初调试时的主要记录是()。A.介质 B.开启压力 C.回座压力 D.阀门生产日期

题型:多项选择题

题目:

阀最初调试时的主要记录是()。

A.介质

B.开启压力

C.回座压力

D.阀门生产日期

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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B.the development in quality

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D.the development in quotient

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