短語詞組短語vulnerable ecological area 脆弱生態(tài)地區(qū)vulnerable water area 易汙染水區(qū)equivalent single vulnerable area 等傚單一易損麪積ecological vulnerable area 生態(tài)脆弱地區(qū)ecologically vulnerable area 生態(tài)脆弱地區(qū)coastal vulnerable area 沿岸脆弱區(qū) 返回 vulnerable area