back valve〔名词〕止回阀,单向阀,单向阀详细»
back valve〔名词〕止回阀,防逆阀详细»
单向阀clappet valve;one-way valve详细»
单向阀clappet valve;one-way valve详细»
单向阀clappet valve;cone way valve;inverted valve;rebound valve;retaining valve详细»
单向阀non-return valve one-way valve详细»
单向阀back valve;check valve;oneway valve详细»