overhang crane

Workers often jack up a car to change a tyre.

工人经常用起重机架起汽车换轮胎。

Shipbuilding-jib cranes

GB/T12932-1991船用臂架起重机

crane ,overhead traveling, not on fixed support

高架起重机,无固定支座

non-self-erecting tower crane

非自行架设塔式起重机

mobile crane with lattice jib

桁架臂流动式起重机

double-beam bridge type grab crane

双架桥式抓斗起重机

stiffleg derrick

固定支架桅杆式起重机

single girder truss gantry crane

桁架式单梁龙门起重机

triangular truss gantry crane

三角形桁架龙门起重机

double girder truss gantry crane

双桁架梁龙门起重机

crane ,jib (excl. portal and pedestal cranes), self-propelled

自动悬臂起重机（门式臂架起重机及支座式悬臂起重机除外）

crane ,derrick (excl. floating cranes, crane lorries and railway rolling-stock), self-propelled

自动桅杆起重机（浮式起重机、起重运货汽车及铁路流动托架除外）

crane ,derrick (excl. floating cranes, crane lorries and railway rolling-stock), not self-propelled

非自动桅杆起重机（浮式起重机、起重运货汽车及铁路滚动托架除外）

gantry crane with jib crane

带臂架小车的门式起重机

crane ,overhead traveling, on fixed support

固定支座移动式高架起重机

Erection of the pylon required a crane of 1000 ton capacity.

塔架安装需用起重量达1000吨的吊机。

Design of Full Hydraulic Girder Erection Crane for Wuhu Changjiang River Bridge

芜湖长江大桥全液压架梁起重机设计

Technical features of luffing cable crane

摆塔式缆索式起重机塔架的技术特性