短語詞組短語high -bank caving 大放高bank caving line 坍岸線bank caving and protection 崩岸與護岸mechanism of bank caving 坍岸機制present state of bank caving 坍岸現(xiàn)狀Stability of the bank caving 塌岸躰穩(wěn)定性caving bank 淘空堤岸;坍岸 返回 bank caving