基本释义:

止回[单向]阀

网络释义

1)backflow check valve,止回[单向]阀

2)non-return valve,单向阀;止回阀

3)Check valve,止回阀，单向阀

4)retaining valve,止回阀;单向阀

5)non-return valve,止回阀，逆止阀，单向阀

6)reflex valve,单向阀，止回阀，逆止阀