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

• 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。
• 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。
• 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
• 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。
• 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
• 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
• A carpenter's level with a plumb line at right angles to it.
  右边角有铅线的曲尺。
• Plumb line deflection varied with time obtained by repeated gravimetry
  重复重力测量结果计算垂线偏差的时间变化
• 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