In order to realize efficient maintenance of track 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.

我们将要追踪的活动流程从业务分析开始，在site a进行工作，输入将要得到的应用软件维护版本至ibm Rational RequisitePro中。

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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 track maintenance 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。

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The level of the maintenance track adjacent to the busway has been raised to reduce the risk of flooding.

BBC: Guided bus wheel

The maintenance track will now become part of the UK's national network of cycle routes.

BBC: Guided bus wheel

It is also possible to formalize position maintenance with personnel actions and an option of approvals, and also optionally track budget and cost information.

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