district highway meaning in English

区域性公路

To improve the quality of road network system by reforming the trunk road system as well as the district highway framework ; and
改造干线公路网络和区域公路骨架，藉此提高路网质量水平；以及
Has studied change features such as under - development district " property of many stages " of the district highway construction development scope , feature of catastrophe and the elasticity attenuation with the economic development etc , and the reasonable scope model - - network knot - point model is determined out
在分析部分国家公路建设发展历程的基础上，研究了欠发达地区公路建设发展规模的“多阶段性” 、 “突变性”及与经济发展的弹性衰减等变化特点，确定出适合欠发达地区的合理规模模型? ?网络结点模型。
The driving condition of western district highway net of our country is bad , the highway standard is low and natural disasters such as hill landslide and mud - rock flow etc are very much . there are many difficulties in highway construction and maintaining . the workload and the difficulty of the roadbed protects engineering are more and more great
我国西部地区公路网的行车条件差、公路技术等级和通达水平低，山体滑坡、泥石流等自然灾害较多，给公路建设和公路养护带来了许多困难，路基边坡防护工程的工作量和难度也越来越大。