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

• Construction of the Inverted Plumb Line Boring of Shimen Arch Dam Right Abutment
  石门拱坝右坝肩倒锤钻孔施工
• 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 optical astronomical instruments for time-latitude measurements have advantages of good long-term stability, being able to monitor changes of the local plumb line and to make absolute determinations.
  光学天文时纬仪器具有长期稳定性好，可监测地方铅垂线变化与测定的绝对性等优点。
• 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。
• Electrotype alloys a plumb line attached to a narrow board.
  电铸板用铅基压铸合金一种绑在一条窄木板上的铅锤线。
• 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。
• Between perpendiculars adjust with a plumb line so as to make vertical.
  垂线间垂线间垂线间的用铅垂线调整使得垂直。
• Study on Influence of Plumb Line Deflection on Transverse Break-through Survey of Tunnels
  垂线偏差对隧道横向贯通测量影响的研究
• 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 always perpendicular to the horizontal plane. Simulation Study and Industrial Practice of Double SENs in Beam Blank Mold
  铅垂线总是垂直于水平面的。异型坯连铸双浸入式水口浇铸技术模拟研究及工业实践