gantry crane
短语[化] 高架吊车; 龙门吊; 龙门吊车; 龙门起重机
词形变化
gantry cranes
复数
gantry cranes
释义与例句
n.
-
1.
A large crane mounted on a platform that usually runs back and forth on parallel tracks astride the work area.
门式起重机
龙门吊