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

• 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
• This article gives an easy way in which laser plumb line is set up by means of He-Ne laser in space with the liquid level as the base.
  本文叙述以液面为基准面，用小型氦-氖激光器在空间建立激光垂直线的简易方法。
• Meanwhile, it also discusses the influence of roll yaw on sideslip in spin, and of moving round plumb line on angle of bank.
  同时就尾旋中偏滚对尾旋侧滑的影响、绕铅垂轴旋转对坡度的影响等进行了讨论分析。
• 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 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。
• 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
• 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。
• A carpenter's level with a plumb line at right angles to it.
  右边角有铅线的曲尺。
• Using self-made clamping& locking apparatus and traditional method of plumb line to substitute theodolite and jack can achieve better effect in erecting concrete filled tubular steel column of high-rise building.
  在高层建筑钢管混凝土柱安装工艺中，采用自制卡盘锁具和传统吊线坠方法代替经纬仪和千斤顶，能取得更好的安装效果。
• 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。