nonreturn valve

同义词释义

1)non-return valve,止回阀，逆止阀，单向阀2)reflex valve,单向阀，止回阀，逆止阀3)retaining valve,单向阀，止回阀，止逆阀4)check valve,逆止阀;止回阀;单向阀5)back valve,回动阀,止回阀,逆止阀,单向阀6)check valve,止回阀，逆止阀，单向阀，检验阀