plumb line

英 [ˈplʌm laɪn]

美 [ˈplʌm laɪn]

n.  (测水深或垂直面用的)重锤线，铅垂线

牛津词典

noun

• （测水深或垂直面用的）重锤线，铅垂线
  a piece of thick string with a weight attached to one end, used to find the depth of water or to test whether a wall, etc. is straight

柯林斯词典

• （检查垂直度的）铅垂线
  Aplumb lineis a piece of string with a weight attached to the end that is used to check that something such as a wall is vertical or that it slopes at the correct angle.

英英释义

noun

• a cord from which a metal weight is suspended pointing directly to the earth's center of gravity
  Synonym:perpendicular

双语例句

• Vertical diagonal time section a flat surface at right angles to a plumb line.
  对角线垂直时间剖面一个与铅垂线绝对成直角的平面。
• Software of plumb line monitoring system and its application
  垂线测量数据管理软件的研制及应用
• The smaller the angle of the weak plane, and the larger the water level are, the closer the location of the critical point is to the plumb line through the dam heel, and vice versa.
  反倾结构面的倾角愈小、上下游水位差愈大，剪应力临界点的位置愈靠近坝踵铅垂线；
• The installation of boosters is made by means of lofting plumb line to ensure the mounting precision and symmetry, resulting in accurate force transmition direction, and avoiding the emergence of additional moments.
  本文采用放样吊线法安装助推器，确保安装精度和左右对称，从而保证了力的精确传递方向，避免了附加力矩的产生。
• The Calculation of Plumb Line Deflection in Dam Deformation Measurement
  大坝变形观测中垂线变化的计算
• Think of this as being a plumb line to find* used to find the direction of gravity.
  假设这是铅垂。，想想重力方向是怎样的。
• The plumb line is always perpendicular to the horizontal plane.
  铅垂线总是垂直于水平面的。
• Telemetry system of two-dimensional suspension extension line and three-dimensional inverse plumb line
  悬链式二维引张线及三维倒垂线遥测系统
• The plumb line is being used to find the direction of gravity.
  铅垂就是这样确定，重力方向的。
• Reconstruction and analysis of automatic plumb line monitoring system of Dongjiang dam
  东江拱坝垂线自动监测系统改造实践及成果分析