手机看片欧美日韩,国产99久久精品,免费成人av网址,亚洲欧美在线看,亚洲精品电影院,手机在线观看的av,中国一级毛片在线视频

Product description

Product uses: this car is used for ballasted track continuously replacing rail and / or sleeper, improving line stability.

Features: 1. Computer control system is adopted to realize old pillow pickup, new pillow laying and curve copying automatic control, with high accuracy. 2, it can operate in special sections such as bridges and tunnels. The operation efficiency is high, energy consumption is low, and economic benefits are good.

Product overview

Effect：

This car is used for ballasted track continuously replacing rail and / or sleeper to improve line stability.

Characteristic：

1, adopt computer control system to realize automatic control of old pillow pickup, new pillow laying and curve copying, with high accuracy.

2, it can operate in special sections such as bridges and tunnels. The operation efficiency is high, energy consumption is low, and economic benefits are good.