词语单流阀
解释check valve
check valve〔名词〕单流阀详细»
check valve〔名词〕回压阀,单流阀,止回阀详细»
check valve止回阀,单相阀详细»
check valve〔名词〕逆止阀详细»
check valve止回阀详细»
check valve〔名词〕单路输电线,单传输线路,关闭阀,止回阀,单向阀详细»
check valve单向〔止回,止逆〕阀详细»
check valve单向阀,防逆阀详细»
check valve单向阀，止回阀详细»
单流阀check valve;checkvalve详细»
单流阀check valve详细»
单流阀ball and seat;ballandseat详细»