采用计算机监控网络对电梯群的运行状态进行实时远程监控，有效地提高了电梯的故障诊断分析能力、以及运行和维修效率。

Monitoring and controlling the running states of elevators by computer remote network is very efficient for fault diagnosis and the management of elevator.

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合同还包括系统管理、运行、维修和一体化服务。

The contract also covers system administration, operations, maintenance and integration services.

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这里有六个区域，沿主干道分布的是保温管道，人们穿行其间，所有公共线路和管道运行也在其中。 这里有两层，地下的很窄，是用来维修的通道。

This has two levels, the subterranean one being narrower and primarily an access-way for maintenance.

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