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动车和普通火车哪个快

更新时间: 2020-11-03 00:00:00     

动车较快。因为普通火车由单个火机头拖动,相当于1个动力车18个拖车,而动车组则是多个动力拖车拖动;动车组采用8节固定编组,重联也只是两组8节动车组联结,而普通火车通常有18节;动车组外形设计采用流体力学,最大化减小动车组在运行过程中的阻力。

关键词: 普通 火车 哪个

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