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block in PPV*** and PT***

2010-06-02View Original

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Among them, PPV-*** and PT-*** refer to the pressure control valve and pressure transmitter respectively (****** represents the tag number). As for the term “block in”, it should be understood as: shut off or seal?
Reply #22010-06-02
Block in originally means to block up; It becomes blocked. Based on the surrounding words, it would be better to translate it as \"closed\". This is just for reference; I hope experts can provide corrections
Reply #32015-05-21
I think it’s on full, I hope you can provide some context.

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