1) ballast
道渣
2) tunnel cinder
隧道渣
1.
Take tunnel cinder subbase construction of a motor-only 2nd grade highway as an illustration,which is also an external traffic lane leading to Xiluodu hydroelectric station,this paper details tunnel cinder subbase construction by 5 aspects:compare & choice of tunnel cinder and graded gravel subbase,construction methods,construction process,construction quality control,construction key attention.
以溪洛渡水电站对外交通汽车专用二级公路隧道渣底基层施工为例,分别从隧道渣和级配碎石底基层对比及选择、施工工艺、施工步骤、施工中注意事项、施工质量控制重点这5方面分析了隧道渣底基层施工。
3) ballast hopper car
道渣漏斗车
1.
Described are the design principles,calculation of sprinkling volume and air consumption volume,as well as the application prospects of the sprinkler system on the ballast hopper car.
介绍了道渣漏斗车洒水系统的设计原理、洒水量和耗风量的计算及运用前
4) boxed-in ballast
轨枕间道渣
5) ballast bed finisher
平整道渣机
6) on-track cleaner
轨行式道渣清筛机
补充资料：干渣渣
1.缺乏水分而呈渣屑的样子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。