gas control valve
... gas check valve 煤气止回阀; 闭气阀 gas control valve 气体调节阀 gas escape valve 煤气放气阀 ...
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... gas sampling valve 气体进样阀 gas regulating valve 煤气调节阀 ; 气体调节阀 concentric gas lift valve 同心气举阀 ...
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气体流量调节阀 Gas flow adjustor
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它还允许您调整输出压力使用包括气体调节阀。
It also allows you to adjust the output pressure using an included gas-regulator valve.
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输液时，打开调节阀，气体经净化器进入输液瓶。
When the infusion is done, the adjusting valve is opened and the gas through the purifier enters into the infusion bottle.
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