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〔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»
止回阀clappet valve;non return valve详细»
止回阀back pressure valve;check valve;flap trap;flap valve;idler valve;inverted valve;non return valve;reflux valve详细»
止回阀clappet valve;non return valve详细»
止回阀back pressure valve;check valve详细»
止回阀back flow valve;back pressure valve详细»
止回阀check valve retaining valve详细»
止回阀backpressure valve;chack valve;flap valve;nonreturn valve详细»
止回阀back pressure valve;back valve;safety check;check valve;clack valve;clapper详细»
止回阀back pressure valve;back valve;check valve;disk hinged valve;non-return valve;retaining valve详细»