Responsible for the hotel boiler pipes, hot and cold water pipes, fire pipes, laundry facilities, kitchen equipment, such as periodic maintenance to ensure their safe and effective operation.

负责酒店锅炉管道，冷热水管道、消防管道、健身设备、厨房等设备的定期维护（维修）保养，保证其安全有效运行。

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For a long time, the equipment maintenance modes of urban railway car equipment in our country adopted periodic maintenance which is based on wear theory.

长期以来，我国城市轨道交通车辆设备维修主要采取的是基于磨损理论的定期维修模式。

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