All water defector products are tested through national airconditioningapparatus testing center.
所有档水器产品均通过国家空调设备检测中心检测。
2
An intense field dielectric air filtration system includes a perimeter frame for wall or ceiling mounting at the inlet of a return air duct for an airconditioningapparatus.
一种强场电介质空气过滤系统包括安装在空调装置的回风管的入口处的用于壁或天花板的周界框架。
3
The paper analyzed the main electric equipment of HVAC (Heating, Ventilation and AirConditioning) apparatus and introduced structural principle of the auxiliary power system for EMUs.