deck twin crane 并列式甲板起重机
twin crane 双倍场吊
twin hook hoist 双钩绞车
twin-hook hoist 双钩倒链
twin-twin transfusion syndrome 双胎输血综合征
Crane Hook 起重机吊钩; 起重吊钩; 起重机钩
single-beam electric hook crane 电动单梁吊钩起重机
ship with twin propellers and twin rudders 双桨双舵船舶
Twin to twin transfusion 双胎间输血
twin wheel twin nozzle type turbine 双轮双喷嘴式水轮机
twin-to-twin transfusion syndrome 双胎输血综合征
clasp hook [= clip hook 夹钩; 对扣钩
hook and hook turnbuckle 双钩伸缩螺丝
Switchover between one hook and two hook operation 单/双钩转换使用
gantry crane with jib crane 带悬臂吊车的龙门起重机
gantry crane with level luffing crane 带俯仰式吊车的龙门起重机
overhead crane and gantry crane 桥门式起重机
overhead crane or gantry crane 起重机
single-rail crane (mono-rail crane) 单轨起重机