non-return valve是什么意思


中文翻译单向阀,正向阀

网络释义

1)non-return valve,单向阀,正向阀2)one-way valve sleeve,单向阀阀套3)check valve,单向阀4)one-way valve,单向阀5)non-return valve,单向阀6)check,check valve,check valves,cone-way valve,one-way valve,non-return,non-return valve,vacuum breaker,单向阀<液>

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