As I was sitting on the boat, the Karst mountain scenery came into view.
当我坐在船上时，喀斯特地貌的山峦映入眼帘。
The unique hydrogeology, soil and vegetation in karst mountain area are the major natural factors of it's serious erosion of water and soil.
岩溶山地独特的水文地质、土壤、植被等是其严重水土流失的主要自然因素。
During the construction of tunnels in karst mountain, water inrush and gushing mud (sand) disaster has ranked the first in all the disasters.
在岩溶地区隧道施工过程中，涌水、涌泥(砂)已经成为隧道施工的第一大害。
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