The ginpole is the simplest form of derrick.
起重吊杆是一种最简单的起重机。
a simple crane having lifting tackle slung from a boom.
在吊杆上有起重滑车的简单起重机。
A hinged pair of curved iron bars for raising heavy objects, such as stones or timber.
起重吊钩一种带有铰链的弯铁杆，用来吊起石块或木材等重物
One crane dipped into No.2 hold and came up with a " Shanghai" sedan.
一架起重机的吊杆伸入二号舱，吊出一辆上海牌轿车。
A long pole extending upward at an angle from the mast of a derrick to support or guide objects lifted or suspended.
吊杆从起重机的竖樯上以一定角度向上伸出的长杆，用来支持或牵引物体竖立或吊起
lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis.
提起并移动重物；起重滑车悬挂在围绕垂直轴旋转的转动吊杆上面。
full rotating derrick
全旋转吊杆起货设备
We lifted the load by means of a crane.
我们用起重机吊起重物。
lift the load by means of a crane
用起重机把重物吊起.
They hoist cargo with a crane.
他们用起重机吊起货物。
raised the loads with a crane.
用起重机把货物吊起
The log was hauled up by a crane.
木头用起重机吊起来。
crane:To hoist or move with or as if with a crane.
"起吊,吊运:用起重机或用类似起重机提升或移动."
The truck crane( gantry crane, tower crane, mobile slewing crane, bridge crane, crawler crane) can lift a weight of15 tons.
这台汽车起重机（门吊、式吊、臂汽车吊、式吊、带式起重机）吊起15吨的重物。
Lifting hooks--Inspection of shank hook in service
GB10051.3-1988起重吊钩直柄吊钩使用检查
Lifting hooks--Technical conditions of shank hook
GB/T10051.2-1988起重吊钩直柄吊钩技术条件
They built a crane capable of lifting 150 tons.
他们造了一台能吊起150吨重量的吊车。
Materials are elevated to the top floor by a hoist.
材料由起重机吊到顶楼。