karst landform types 岩溶地貌类型
tropical karst landform 热带岩溶地貌
specific karst landform 特殊岩溶地貌
karst landform evolution 岩溶地貌演化
feature of karst landform 岩溶地貌特征
the ancient karst landform 古岩溶地貌
karst landform and topography 喀斯特地貌
The formation of karst landform 上传喀斯特地貌的形成
karst negative landform 岩溶负地形
Guitang Town has caves and underground rivers of typical Karst Landform.
桂塘镇境内喀斯特地貌密布，溶洞遍及，阴河纵横。
This invention presents a making technique of artificial cavern and karst landform.
本发明是一种人造溶洞及岩溶地貌制作工艺。
Maodong Canyon, the typical karst landform, is the relics of the quaternary glacier.
卯洞峡是第四纪冰川遗址，典型的喀斯特地貌。
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