...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 .
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The paper analyzed the main electric equipment of HVAC (Heating, Ventilation and Air Conditioning) 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。
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 air conditioning apparatus.
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。
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