Power guide roller for convenient plate alignment, Pneumatic elevation for rubber pressure roller, the drying system employs double heating chambers(electric heater) for superior efficiency.

电动导轮对版设计、橡胶压轮升降气动式、干燥系统采用双层热风烘箱（电热式）。

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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。

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