采用实地调查的方法对城市道路车型构成进行分析，确定小型车为城市道路交叉口车辆换算系数研究的标准车型。
By means of field survey on urban road intersections, the vehicle type composition proportions were analyzed, and the small vehicles were taken as the standard vehicle type.
采用实地调查的方法对城市道路车型构成进行分析，确定小型车为城市道路交叉口车辆换算系数研究的标准车型。
By means of field survey on urban road intersections, the vehicle type composition proportions were analyzed, and the small vehicles were taken as the standard vehicle type.
应用推荐