riveted steel railway bridge 铁路铆接钢桥
railway steel bridge 铁路钢桥
railway steel truss bridge 铁路钢桁梁桥
Railway Steel Bridge Design 钢桥设计
riveted railway steel bridge 铆接铁路钢桥
railway bridge steel 铁路桥梁钢
A steel railway bridge spans the yalu river.
鸭绿江上有一座钢铁大桥。
At present, there is not special technological criterion or specification in China for manufacturing and welding steel structure of railway bridge girder erecting machine.
目前，国内在铁路架桥机钢结构的制造及焊接工艺方面，还没有专门的规范或规程。
The anti-seismic of railway steel plant-beam bridge is controlled by using the method of consuming energy to weaken earthquake.
介绍了用耗能减震的方法对铁路钢板梁桥进行抗震控制。
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