simple supported bridge girder-erecting machine
架桥机bridge girder-erecting machine 简支式架桥机simple supported bridge girder-erecting machine 单臂式架桥机single-boom girder-erecting machine ..
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simple supported bridge girder-erecting machine
简支桥架梁机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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