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介绍了 70 0系电动车组在试制车的基础上进行的改进和完善。该车兼顾了成本、性能和市场需求 ,是 2 1世纪风格的主型车
This paper introduces the improvement and improvement of the 70 0-series EMUs on the basis of trial production of vehicles. The car takes into account the cost, performance and market demand, is the main car of the 21st century style