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["Quand le pompe à injection s'arrête,,

2020-07-19View Original

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user
Reply #22020-07-19
Continue from where you left off.
Reply #32020-07-22
我们是二级真空喷射泵串液环泵。停泵时关上游真空受槽与泵的连接气路切断阀,然后停蒸喷的蒸汽阀,最后停蒸喷的夹套蒸汽阀。不然真空反串。

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