中级压缩反应分离

停运往复泵时,下列操作正确的是(　　)。

发布于 2021-02-16 21:56:09

【单选题】
A 先全关出口阀,然后再停泵
B 先关小出口阀,然后再停泵
C 先将冲程调零,然后再停泵
D 直接停泵

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喃哥 2023-02-16

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