词语non-return valve
解释止回阀,单向阀
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〔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»