level plumb line的意思|示意
水平铅垂线
level plumb line的网络常见释义
垂丝水平仪 ... inverse plumb line observation 倒锤线观测 level plumb line 垂丝水平仪 plumb line observation 正锤线观测 ...
level plumb line相关例句
This article gives an easy way in which laser plumb line is set up by means of He-Ne laser in space with the liquid level as the base.
本文叙述以液面为基准面，用小型氦-氖激光器在空间建立激光垂直线的简易方法。
I spent all day at the construction site, from sunrise to sunset, using my 2 level to make sure the walls were even and my 3 plumb line to check that they were standing straight.
摩顿森说，“我整天待在工地，从早忙到晚，用水平线确定墙砌得够平，用铅垂线量它们够不够直。”