论文部分内容阅读
介绍了200 km级CRH_2型动车组在进行首轮四级检修时发现的轴承表面损伤的种类,对其产生的原因进行了分析,提出了处理方式。
The types of bearing surface damage found during the first round of four-stage overhaul were introduced for the 200 km CRH_2 type EMUs. The causes of the damage were introduced and the treatment methods were put forward.