flap gate [水利] 舌瓣闸门 ; 翻转板 ; [水利] 翻板闸门 ; 铰链式闸门

double-pendulum flap gate 双活板阻风门

double-flap gate type feeder 双翻板阀供料器

flap type gate [船] 卧倒式坞门

box type flap gate 箱形翻折门

Double Flap Gate Valve 双层翻版阀

flap-gate 翻板闸门

cellular flap gate 分格卧倒门

automatic flap gate 自动活瓣闸门