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The karst cave is a very important landscape and high grade traveling resource in the cone karst area.
锥状喀斯特是湿热带地区重要的喀斯特地貌景观类型和高品位的旅游资源。
youdao
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The karst cave is a very important landscape and high grade traveling resource in the cone karst area.
锥状喀斯特是湿热带地区重要的喀斯特地貌景观类型和高品位的旅游资源。
youdao