swing type check valve的意思|示意
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旋启式止回阀
swing type check valve的网络常见释义
旋启式止回阀 ... 旋片式真空泵 rotary vane vacuum pump 旋启式止回阀 swing type check valve 旋启式止回阀，单向阀 flapper valve ...
swing type check valve相关短语
1、 Bolt-Jointed Swing Type Check Valve 栓接阀盖旋启式止回阀