A trolley beam is provided for engine and component removal.
吊车横梁用于拆卸引擎或组件。
The extension is spliced to the trolley beam at one end, and is supported by a floor-standing posts at the other end.
在吊车横梁的一端有扩展来加固，由另一端的地轴架来支撑。
This paper describes general structure design and structure load test of girder type railway bridge erecting machine with single simple supported beam and overhead transversely travelling trolley.
本文介绍我国一种新型单梁简支空中横移梁式铁路架桥机的总体结构设计及其结构荷载试验。
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