av大片网址I 精品视频网站I 一本色道久久综合亚洲二区三区I 中文字幕乱码亚洲精品一区I 国产精品wwwwwwI 综合网色I 国产一级精品绿帽视频

The main functions of ballast regulator machines are to distribute and profile ballast of the track bed, and to sweep the track. This machine shapes the ballast of the track shoulder to make the cross section of the track bed meet the required standards, and distribute ballast uniformly using the center plough. The machine also removes the ballast left behind on the sleeper and the fasteners after the operation, to ensure that the track meets the required standards and is neat and presentable.


The representative products under the ballast regulator series:

主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |