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
双语例句
- Except at the pole and the equator, a plumb line does not point toward the earth's center.
除在地球的两极和赤道之外，铅锤线并不指向地球中心。 - The plumb line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。 - The Calculation of Plumb Line Deflection in Dam Deformation Measurement
大坝变形观测中垂线变化的计算 - 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 - 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。 - 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 - 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。 - 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 - 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。 - 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。