1、水准仪
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 instrument...
2、[测]定镜水准仪
定镜水准仪(Dumpy Level) 2. 倾斜螺旋水准仪(Tilting Level ，or Tilting Screw Level)，又称 微倾水准仪 微倾水准仪 3.
3、倒空器
...dumping 定镜dumpy level 倒空器duo-binary system 定镜准准仪 ...
4、水平仪
... 大旗杆 pole 水平仪 dumpy level 激光水平仪 laser ...