Describe the basic function of the maintenance department in hospitality facility, water distribution systems, air-conditioning, and electrical systems.
描述酒店设备维护部门的基本功能，包括供水分配系统，空调和供电系统等。
Describe the basic function of the maintenance department in hospitality facility, water distribution systems, air-conditioning, and electrical systems.
描述酒店设备维护部门的基本功能，包括供水分配系统，空调和供电系统等。
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