Researching and manufacturing the bogie of rapid speed wagon the key technologies for the rapid speed wagon.
解决货运提速的关键技术之一是研制快速货车转向架。
Under the above-mentioned background, Dynamic Performance Analysis and Parameter Optimization of Rapid-speed Wagon was researched.
本文基于此背景，开展快速货车动力学性能分析和参数优化研究。
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