integrated ballast bed
常见例句
- In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
因此本文针对城市轨道交通的特点，着重对高架桥上整体道床的钢轨支承间距进行研究，计算分析了不同轨枕间距对轨道结构力学特性的影响。 返回 integrated ballast bed