non-return valve〔名词〕止回阀,单向阀详细»
non-return valve不返回阀,非换向阀详细»
non-return valve止回阀,单向阀详细»
non-return valve〔名词〕逆止阀详细»
non-return valve〔名词〕单向阀,逆止阀详细»
non-return valve〔名词〕单向阀,正向阀详细»
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»