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。
Karst disaster is one of the familiar geology disasters in tunnel construction of mountain area.
我国是一个多山、多岩溶地貌国家，岩溶问题是山区隧道建设中的关键问题之一。
Karst disaster is one of the familiar geology disasters in tunnel construction of mountain area.
我国是一个多山、多岩溶地貌国家，岩溶问题是山区隧道建设中的关键问题之一。
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