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本文概要地介绍了列车空调系统的运行特点；在给定车速时，对其车体外表面上的压力场与风系统阻力进行了测定，并作了分析与讨论。
This paper gives an overview of the operation characteristics of the train air-conditioning system. When the vehicle speed is given, the pressure field and the resistance of the wind system on the outer surface of the vehicle body are measured and analyzed and discussed.