Rail profile
01
钢轨轮廓, 轨道截面形状
the cross-sectional shape or contour of a railway track's metal rail
例子
Different regions may utilize varying rail profiles based on factors like train speed and the weight of cargo carried.
不同地区可能会根据列车速度和所载货物重量等因素使用不同的钢轨轮廓。



























