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。
Recently, many approaches have been implemented for anti-swing control of overhead cranes in order to improve the operational efficiency.
近年来，很多学者对桥式起重机的防摆控制方法进行了研究，以提高起重机的作业效率。
The services including: supplying electric single girder overhead cranes, and the supply as well as installation of foundation, column, H-beam , rail busbar and accessories.
服务项目包括：电动单梁桥式起重机的供货；配套地基、立柱、行车梁及轨道滑线附属件的供货及施工。
Overhead Cranes with Simple Girder's dynamic characteristics and influential factors have been studied under the horizontal work state. The calculation formula and the computer program are given out.
本文研究了单梁起重机在水平工作状态下系统的动特性以及影响因素，给出了计算公式和计算程序。
Cranes turn overhead as dump trucks and cement mixers nose onto the road.
吊车在头顶转动，翻斗车与混凝土搅拌机在路上小心谨慎地行使。
When handling loads with cranes or trucks, caution crew members to stand clear of any overhead loads and boom.
用吊车或卡车装卸货物时，货物和起重臂下不许站人。
Overhead, cranes were lifting giant sheets of steel.
头顶上起重机正吊起一块块巨大的钢板。
Insulated overhead crane is a kind of bridge cranes.
绝缘桥式起重机是桥式起重机的一种。
Based on test data and research achievement available in literature, the fatigue parameters of welded boxes of overhead and gantry cranes are recommended.
根据已有的试验和研究成果，总结推荐了桥门式起重机焊接箱形梁的疲劳参数取值。
The traditional method for accessing bogies was to lift the car body off the bogies by use of an overhead crane or cranes as shown in the left hand photo below.
传统检查转向架的方法，是用天车将车体吊离转向架，如照片所示。
The series of electric control devices developed in 70s for overhead travelling and gantry cranes has several shortcomings.
70年代我国统一设计的桥式、门式起重机系列电控设备存在不少缺点。
The series of electric control devices developed in 70s for overhead travelling and gantry cranes has several shortcomings.
70年代我国统一设计的桥式、门式起重机系列电控设备存在不少缺点。
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