1) ballast cleaning
道床清筛
1.
Combining with the practical example,this paper introduces a method of dynamically measuring the railway track when the small-size ballast cleaner is being used forballast cleaning,and also introduces the state of using it.
结合工程实例，介绍了采用小型清筛机进行道床清筛作业时轨道状况的动态测试方法，并介绍了该方法的使用情况。
2) ballast clening
道砟清筛
3) cleaning
[英]['kli:nɪŋ] [美]['klinɪŋ]
清筛
1.
The influences of the repairing and cleaning of maintenance machinery on lateral drag of roadbed;
养路机械维修和清筛对道床横向阻力的影响
4) on-track cleaner
轨行式道渣清筛机
6) Clinical screening
临床筛查
补充资料：核桃木雕龙罗汉床(清代)
“罗汉床”与“弥勒榻”的形制一致，只是后者的尺寸较大，供一人坐卧之用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条