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原来是一大块一大块上百米高的石头边坡上,长出了绿郁的小草,把公路装扮得美丽无比。这是正在建设中的昆石高速公路采用生物科技防护公路边坡取得的环保和景观效果。昆石公路沿途大部分地段都是喀斯特地貌,边坡不少是石质边坡,绿化工作非常困难。为
The original is a large piece of a hundred meters high stone slope, grow green and green grass, the road dressed beautiful. This is the environmental and landscape effect of the biotech road slope that is under construction in Queensland Expressway. Most of the sections along the Kunming-Shihuang Highway are karst landforms. Many of them are rocky slopes, and the afforestation work is very difficult. for