gas equivalent velocity in valve的意思|示意
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阀门内气体等效速度
gas equivalent velocity in valve的网络常见释义
阀隙当量流速 阀隙流速mean gas velocity in valve opening 阀隙当量流速gas equivalent velocity in valve 阀座流速mean gas velocity in valve seatCKOPOCTb rasa a ceune KnanaHa4.87 ..