[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止: stop; cut out回: circle; wind阀: established house or power g ...瓣式止回阀: clack泵的止回阀: pump check valve下载手机词典可随时随地查词查翻译