短語(yǔ)詞組短語(yǔ)karst negative landform 巖溶負(fù)地形karst t landform 巖溶地貌feature of karst landform 巖溶地貌特征tropical karst landform 熱帶巖溶地貌the ancient karst landform 古巖溶地貌specific karst landform 特殊巖溶地貌karst landform evolution 巖溶地貌演化karst landform and topography 喀斯特地貌karst landform types 巖溶地貌類(lèi)型 返回 karst landform