最大坡长限制

最大坡长限制最大坡长限制
  1. 山区高速公路车辆上坡最大纵坡及坡长限制

    Maximum longitudinal slope and its length of mountain-expressway when vehicle 's driving up

  2. 关于山区农村公路最大纵坡与坡长限制的探讨

    A Study on the Maximum Longitudinal Slope and Limited Slope Length of the Rural Roads in Mountain Area