Conference guests to be left after the closure of airconditioning, open the Windows and doors of the meeting room for ventilation.
待会议客人全部离去后，关闭空调，打开会议室的门窗通风换气。
2
Presents the design of cold and heat sources and water system, the airconditioningandventilation design of the TV technology machine rooms, UPS rooms and face lights room in theater.
Through projects, describe the designing of the airconditioning of low-temperature processing roomand the ventilation system of affiliated regional briefly.