铁路设施。主干线机车车辆空调设备。第1部分：舒适度参数。
Railway applications - Air conditioning for main line rolling stock - Part 1: comfort parameters.
对国产首台ac4000交流传动干线电力机车试验中暴露出的几个技术问题及其原因进行了初步的分析与探讨。
Analysis and discussions are made on certain technical problems occurring during the test of AC4000, the first ac drive main line electric locomotive as well as the causes thereof.
KZ4A型交流传动电力机车用于哈萨克斯坦国家铁路干线高速客运。
Type KZ4A AC drive electric locomotive is designed for national high-speed railway in Kazakhstan.
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