强烈的下切作用为岸坡孕育小范围崩塌提供了必要的势能累积与临空面，另外，侧蚀作用进一步加剧了岸坡崩塌作用。
Cutting action under the strong small-scale collapse of the slope provides the necessary potential energy accumulation and free surface . In addition , the side etching effect exacerbates the slope collapse .
侧蚀作用