HXD1型交流传动机车辅助变压器通风冷却系统过滤分析与改进
HXD1형교류전동궤차보조변압기통풍냉각계통과려분석여개진
Filtration Analysis and Improvement of Ventilation and Cooling System on Auxiliary Transformer for HXD1 AC-drive Locmotive
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