The jointless track on bridge is different from the jointless track laying on the traditional subgrade.
桥上无缝线路不同于一般铺设在路基上的无缝线路,本文分析了桥上无缝线路的特点.
This is a track-laying machine.
这是一台铺轨机.
When can we see track laying in the simulation?
我们什么时候能够见识游戏中的轨道铺设系统?
They are laying a railroad track.
他们正在铺设一条铁路轨道.
Construction technology and cost analysis of continuous welded rail ( CWL) installed with replacement track-laying method
换铺法铺设长钢轨施工工艺及造价分析
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