一区不卡在线观看,怡红院免费va男人的天堂,欧美精品人爱c欧美精品,1024国产视频,久久综合久久网,91色综合综合热五月激情,亚洲欧美在线不卡

發(fā)布時(shí)間:[2018-2-11 17:21:38]    瀏覽量:2885次
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.