试题与答案

置换收尾时对输送湿燃气的管道,应检查所有的凝水器,使其处于()状态。A、半开启 B、

题型:单项选择题

题目:

置换收尾时对输送湿燃气的管道,应检查所有的凝水器,使其处于()状态。

A、半开启

B、半封闭

C、开启

D、封闭

答案:

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参考答案:直接;累积

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