本文以野外调查和资料分析为基础，分析研究了影响洞穴侵蚀的主要因素和机理。
In this paper, the main factors affecting tunnel erosion and their mechanism were studied based on field survey and data from sample analysis.
最后还探讨了洞穴侵蚀与其它侵蚀方式之间的相互联系与作用，对沟谷溯源侵蚀的发生机理提出了新的认识和建议。
The new understanding on gully retrogressive erosion was put forward by an approach of relationship between tunnel erosion and other erosion forms.
喀斯特洞穴是喀斯特地貌的重要组成部分，在地质营力溶蚀，侵蚀和崩塌作用下形成。
Karst cave, an important component of karst geomorphology, is formed by geological agent corrosion, erosion and collapse.
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