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

• Adjust with a plumb line so as to make vertical. Then the wire between two posts gets lower in the middle.
  用铅垂线调整使得垂直。这样，在两根电线杆中间的电线就略为下垂一些。
• 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；
• It also describes the new techniques and the results drilling tracing of deviation correction in the construction of the bottom of the plumb line hole. Finally, several views are out forward.
  介绍了垂线孔孔底随钻跟踪定向纠偏新技术和施工效果，最后结合实例谈几点认识。
• The plumb line deviation method of determining heights from GPS in local area
  GPS在小区域内测定点位高程应用中的垂线偏差方法
• A carpenter's level with a plumb line at right angles to it.
  右边角有铅线的曲尺。
• 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
• 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。
• 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。
• The Calculation of Plumb Line Deflection in Dam Deformation Measurement
  大坝变形观测中垂线变化的计算