In order to realize efficient maintenanceoftrack irregularity, it is necessary to establish the optimized maintenance plan model and adopt large scale machineries to maintain railway tracks.
为实现高效的轨道不平顺养护维修，建立最优养护维修计划模型和采用大型养路机械进行作业是十分重要的。
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The flow of activity we will track begins as a business analyst, working at site a, enters a new requirement for the upcoming maintenance release of the application into IBM Rational RequisitePro.
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.