- 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
下载手机词典可随时随地查词查翻译