辅止回阀的英文

• auxiliary check valve

• 辅:    assist; complement; help
• 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