针对路侧净区的前坡 、 后坡 、 横坡 、 排水沟等具体组成,分别研究了其几何设计要求.Thegeometric design demand of fore slope, back slope, cross slope, and ditch clear zone were studied....

“前坡”的拼音为：qián pō...

“前坡”的英语可以翻译为：scarp slope ...