变刚度转臂定位节点对地铁车辆车轮磨耗的影响

祁亚运，戴焕云，魏来，干锋，徐坤

Influence of changing the rigid arm positioning node on the wheel wear of metro vehicles

QI Yayun，DAI Huanyun，WEI Lai，GAN Feng，XU Kun