In corridors where there is dedicated passenger service, trackmaintenance will likely be scheduled during times in which no trains are operating, which will enhance safety.
在致力于提供旅客服务的线路上，轨道维护应安排在无车辆运行时进行，以确保安全。
2
When the order is completed, parts are expensed thereby reducing inventory of those items and also posting the expense to the General Ledger in order to trackmaintenance costs.
当维修订单完成后，库存中的零件和费用会被转移到此维修订单，并记录总分类账，以便追踪它的成本。
3
This article introduce the application of mobile rail gas pressure welding technology in the trackmaintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.