砂砾石面板坝
Concrete Face Sand-gravel-fill Dam
喀斯特石漠
Karst rocky desertification
喀斯特石漠化
Karst rock-desertification
Karst rock desertification
Karst rocky desertification
Information extraction
喀斯特石漠化过程
process of karstrock desertification
潜在石漠化
potential rocky desertification
黔中石漠化地区
central rocky desertified area of Guizhou Province
强度石漠化
serious rock desertification