介绍了“中华之星”高速列车钢质拖车结构特点、主要技术参数，阐述了拖车各部件结构及设计特征。
Structural characteristics and main parameters of the steel trailer for "China Star" high speed EMU are presented. Component structures and design features are stated.
结果表明，“中华之星”高速列车具有良好的空气动力性能，能够满足安全运行的要求。
The results show that "China Star" features high aerodynamic performances and meet the safety running requirement.
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