释义 n.[物] 液体比重测定法 实用短语reservoir hydrometry水库水文测验lake hydrometry湖泊水文测验river hydrometry河道水文测验hydrometry baume液体比重计标度hydrometry y液体比重测定法,水文测验学,液体比重测量法elliptic-type weight for hydrometry水文测验铅鱼tour gauging vehicle for hydrometry水文巡测车hydrometry detail 同根词词根：