第三，路堑边坡环境恢复。
提出适合贵州喀斯特地区公路石质边坡环境特点植物配置模式和边坡防护与环境保护技术。
It puts forward the plant disposition pattern and the environmental protection technologies appropriate to highway slope characteristics in Karst areas in Guizhou Province.
指出平果铝赤泥堆场边坡的环境问题主要是水土流失问题，分析研究了边坡环境治理对策。
It is put forward that the slope environment of PINGGUO red mud disposal field is badly affected by water and soil erosion. Slope protection measures are analyzed.
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