例句
词组搭配
起重臂
jib loading boom; cargo boom; erector arm; jibboom
起重拔杆
standing derrick
起重操作工
tagman
起重车
carriage hoist; crane car; derrick car
起重船
crane ship
起重磁铁
lifting magnet
起重电磁铁
lifting electromagnet
起重电动机
{电} crane motor
起重吊杆
derrick
起重吊钩
crampon
起重吊楔销
{采矿} lewis pin
起重定滑轮
crown block
起重杆
prypole; dead-load lever
起重缸
lifting cylinder