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简要介绍了CRH_(2A)型动车组用车钩和缓冲器的结构、原理,重点对产品的四级检修进行总结,并对核心部件的国产化件和进口件进行了对比分析。
This paper briefly introduces the structure and principle of coupler and bumper for CRH 2A car, summarizes the four levels of maintenance of the product, and compares and analyzes the domestic parts and imported parts of the core parts.