999精品视频在线,亚洲婷婷在线观看,精品国产欧美日韩,**激情毛片九色一区,久久艹99,色婷婷国产精品免费网站,欧美黄网站在线观看

發(fā)布時(shí)間:[2018-2-11 17:26:20]    瀏覽量:8816次
roduct usage: this car is mainly used for large and medium repair and sifting operation of railway lines.

The product features: 1, without dismantling the top rail and sleeper of the ballast bed, the machine realizes continuous operation by self walking and completes the cleaning operation of ballast bed. 2, it can sift out the special section of tunnel and bridge and shoulder shoulder, and has the function of collecting dirt and soil at the same time.

Product overview

Effect:

This car is mainly used for large and medium maintenance of railway lines.

Characteristic:

1, without dismantling the rail and sleeper on the top of the ballast, the machine can carry out continuous operation by self walking and complete the cleaning operation of the ballast bed.

2, it can sift out the special section of tunnel and bridge and shoulder shoulder, and has the function of collecting dirt and soil at the same time.