vertical lifting gate [建] 垂直开启门

double lifting gate 双层提升闸门

Lifting tail gate 升降尾板 ; 带升降尾板的货车

lifting-gate feeder 升板式装料机

lifting gate feeder 提板式加料机

gate lifting device 闸门启闭机 ; 闸门提升设备

gate lifting hoist [水利] 卷扬式启闭机

bevel gear gate lifting device 斜齿轮闸门启闭机

Gate double lifting 双层上提闸门