contact of wheel/rail的用法和样例：
例句
- The contact geometry parameters and rigid creepages of wheelset and track in rolling contact are analyzed.
分析计算了锥型踏面轮对沿轨道滚动接触时轮轨接触几何参数和不同运动状态下的轮轨之间的刚性蠕滑率。 - The wheel-rail contact geometry relationship is different when different wheel tread shape matches the same rail, which will influence the dynamic performance of the vehicle.
摘要不同的车轮踏面形状与同一钢轨匹配时具有不同的轮轨接触几何关系，影响车辆的动力学性能。
