air system module
空气系统组件
分散式控制系统
集散控制系统
分散控制系统(DCS)
集散控制系统(DCS)
集散控制(DCS)
centralized return air system
Dedicated Outdoor Air System
Negative Pressure Fresh Air System
new displacing air system
positive pressure air system
Ability of Air Supply System
absorbing air conditioning system