水土流失是一种累进性地质灾害，其实质就是土壤侵蚀作用。
Soil and water erosion is a kind of incrementally geological hazard.
狮子山楚王陵座落于典型的覆盖型岩溶区，由于长期的卸荷作用、地质构造作用、水的侵蚀作用及人为的破坏，墓室出现了严重病害。
The Chuwang tomb in Shizi Mountain is located at the typical karst district. The tomb is seriously damaged due to long-term loading, geological structural action, water erosion and man-made factors.
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