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
- 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 - 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。 - 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 - 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 Calculation of Plumb Line Deflection in Dam Deformation Measurement
大坝变形观测中垂线变化的计算 - 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。 - 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。 - 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 - The plumb line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。 - 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。