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
- The metal bob of a plumb line.
一种在铅锤线下的金属球。 - A device, such as a plumb line, used in marking the vertical from a given point. Riser cables-Sectional specification
垂规，铅垂线一种装置，如铅垂线，用于从给定点标记竖直方向垂直布线电缆分规范 - 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 is being used to find the direction of gravity.
铅垂就是这样确定，重力方向的。 - Due to machining accuracy and limited leveling precision of gimbals, there is always an inconsistency between the visual axis and the vertical rotational axis of the digital zenith camera and the plumb line, which leads to a big deviation between measurement precision and theoretical precision.
由于机械加工精度和常平架的调平精度有限，天顶摄影仪的视轴、垂直旋转轴与铅垂线总是存在不一致，导致测量精度与理论精度存在很大的偏差。 - 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 - 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 - 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。 - 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。 - 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。