短語詞組短語alluvial l cone 沖積錐underwater alluvial cone 水下沖積錐intake area of alluvial cone 沖積錐進(jìn)水區(qū);沖積錐受水區(qū)discharge zone of alluvial cone 沖積錐涌水帶Cone alluvial 沖積錐 返回 alluvial cone