- reset check valve
- 复位: reset; resetting; restoratio ...
- 止回阀: check valve; check-valve mou ...
- 止回阀: [工业] check valve; check-valve mounting bracket; one-way valve; clack valve; clappet (valve); inverted valve; non-return flap valve; non-return valve; return flow prevention valve
- 瓣式止回阀: clack
- 泵的止回阀: pump check valve
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