黄一色片一网站一,xxxx69成人在线观看,久久爱www高清免费人,久久黄色影院,欧洲成人在线视频,淫色成人毛片网,曰中韩一级毛片在线观看

Product description

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.