• This paper introduces influence about different kinds of material working on the weight and train run-ning re sis tance of mass transit vehicle.

    介绍了铝合金、不锈钢候钢等三车体材质车体质量及城轨车辆运行阻力影响

    youdao

  • This paper introduces influence about different kinds of material working on the weight and train run-ning re sis tance of mass transit vehicle.

    介绍了铝合金、不锈钢候钢等三车体材质车体质量及城轨车辆运行阻力影响

    youdao

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