试题与答案

装置进行吹扫时,安全阀的根部阀()。A、应打开 B、应关闭 C、应稍关 D、开关不要

题型:单项选择题

题目:

装置进行吹扫时,安全阀的根部阀()。

A、应打开

B、应关闭

C、应稍关

D、开关不要求

答案:

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