one way valve〔名词〕单向阀详细»
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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»