Sensitivity analysis for low-floor wagons

Supplementary material of "Sensitivity Analysis of Bogie Wheelbase and Axle Load for Low-Floor Freight Wagons, basing on Wheel Wear "《基于车轮磨耗（Wheel Wear）的低地板货运货车转向架（Bogie）轴距与轴荷（Axle Load）敏感性分析》的补充材料