ballasted track
短语词组
- ballasted sleeper track 道渣轨枕轨道
- ballasted track structure 铺碴轨道结枸
- Non -ballasted track 无碴轨道
- ballasted track on bridge 桥上有砟轨道
- improved ballasted track 经改进的有渣轨道
- Slab non -ballasted track 板式无碴铁轨
- rolling noise of non -ballasted track 无碴轨道滚动噪声 返回 ballasted track