With flow through valve, primary disc opens away from diaphragm seal.

当流体通过阀门时，第一阀瓣开启，从隔膜密封上离开。

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With flow through valve, primary disc opens away from diaphragm seal.

当流体通过阀门时，第一阀瓣开启，从隔膜密封上离开。

youdao