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
- 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。 - 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 - 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。 - A carpenter's level with a plumb line at right angles to it.
右边角有铅线的曲尺。 - 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。 - It also describes the new techniques and the results drilling tracing of deviation correction in the construction of the bottom of the plumb line hole. Finally, several views are out forward.
介绍了垂线孔孔底随钻跟踪定向纠偏新技术和施工效果，最后结合实例谈几点认识。 - 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 - 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。 - 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 - 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。