assumed ground elevation假定: A等于B. Suppose A equals B.地面: the earth's surface; ground高程: altitude; elevation地面高程: exist ground level; ground height; level of the floor; surface elevation原地面高程: existing ground level; natural ground level; original ground level下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
