山区公路
- 网络Road in Mountainous Area; mountainous highway
山区公路山区公路
Road in Mountainous Area
...积占全国总面积的69.24%；在山区修建的公路称为山区公路(Road in Mountainous Area)。
mountainous highway
山区路... ... ) ballast embankment in cold region 寒区块石路堤 ) mountainous highway 山区公路 ) mountainous road 山区道路 ...