General purpose overhead cranes 通用桥式起重机
o Overhead cranes 架空起重机
overhead cranes with simple girder 单梁式起重机
overhead and gantry cranes 桥门式起重机
Overhead cranes were lifting giant sheets of steel.
高架起重机正吊起一块块巨大的钢材。
Beware of the overhead cranes operating above the bays.
注意运行在海湾之上的吊车。
Position and adjust dies on anvil of forging machinery using overhead cranes or other hoisting devices and hand tools.
使用桥式起重机或其他起重设备及手工具定位和调整砧锻压机械的压模。
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