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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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 speed of train is high, to ensure regularity of the upper track and reduce maintenance workload, the requirements of settlement after construction of subgrade are extremely stringent.

列车行驶速度高，为了保证上部轨道结构的平顺性，并减少运营期间的维护工作量，对路基的工后沉降有着极其严格的要求。

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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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