... 水平测量 horizontal survey; level survey; leveling survey; rigging; take sights 水平测量图 rigging diagram 水平测量仪 surveyors level ...
基于1个网页-相关网页
...水准仪 air bubble level; air level; balance level; circular spirit level; dumpy level; engineers level; gradienter; level gauge; level gauging; level instrument; leveler; levelling box; levelling instruments; liquid level gage; nivelir; plumb level; sight level; spirit-leveling instrument; spiritlevel; surveyors level; telescope level; theodolite; water level gage; water-level 闭合水准环 closed level circuit .
基于1个网页-相关网页
To measure the difference in elevation between poles, surveyors used an optical level—a telescope on a level base—placed halfway between the poles.
为了测量两极之间的高程差，测量员在两极中间的一个水平基座上使用了光学水准望远镜。
The top of the clock tower is leaning one-and-a-half feet off a level position, according to surveyors, and getting worse each year.
据测量人员检测，钟楼顶部已水平偏移1.5英尺(约0.46米)，而且情况逐年严重。
应用推荐