...apparatus || 器具，仪器，装置，设备，器械 apparatus for air conditioning || 空气调节设备 apparatus for measuring d.c. magnetic characteristic with ballistic galvanometer || 冲击法直流磁特性测量装置 .
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.
分析了动车组空调装置的主要用电设备，并对辅助供电系统的结构原理进行了介绍。
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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.