试题与答案

热水管道冲洗时,应()。 A.先冲洗底部干管,后冲洗各环路支管 B.先冲洗各环路支管

题型:单项选择题

题目:

热水管道冲洗时,应()。

A.先冲洗底部干管,后冲洗各环路支管

B.先冲洗各环路支管,后冲洗底部干管

C.先冲洗底部水平支管,后冲洗垂直干管

D.先冲洗上部支管,后冲洗下部干管

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析:会计人员和软件操作员,另外还加上出纳,都是互相之间不相兼容的岗位,因而不能一个人出任。

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