短語詞組短語ground j water level 地下水位ground d water level 地下水位natural ground -water level 天然地下水位permanent ground -water level 常年地下水位high ground -water level 高潛水位design ground water level 設(shè)計(jì)水位dropping ground water level 降低地下水位high ground water level 高地下水位low ground water level 地下水位低 返回 ground water level