1) plumb
[英][plʌm] [美][plʌm]
铅垂
1.
As an optical instrument,plumb aligner is used to give a plumb line,but up to now there is no accurate concept to indicate its plumbness.
对垂准仪校准过程中同轴度和一测回垂准测量标准偏差进行了分析,并提出了铅垂p角的概念。
2) vertical
[英]['vɜ:tɪkl] [美]['vɝtɪkḷ]
铅垂;垂直
3) plumb-bob vertica
铅垂垂线
4) plumb line
铅垂;垂直线
5) plumbing arrangement
铅垂布置
6) perpendicular distance
铅垂距
1.
It can gain the perpendicular distance of chord and band course,consequently improving the precision of laneway’s forming and examing its quality conveniently.
用这种方法可求出弦腰线上任一点距竖曲线巷道底板的铅垂距离 ,从而提高巷道成形精度并方便质量检
补充资料：铅垂线
1.把铅锤或其他重锤悬挂于细线上﹐使它自由下垂﹐沿下垂方向的直线叫做"铅垂线"。铅垂线水平面相垂直。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条