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
- 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。 - A carpenter's level with a plumb line at right angles to it.
右边角有铅线的曲尺。 - 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。 - The plumB line is always perpendicular to the horizontal plane. Simulation Study and Industrial Practice of Double SENs in Beam Blank Mold
铅垂线总是垂直于水平面的。异型坯连铸双浸入式水口浇铸技术模拟研究及工业实践 - 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 - The plumb line deviation method of determining heights from GPS in local area
GPS在小区域内测定点位高程应用中的垂线偏差方法 - The smaller the angle of the weak plane, and the larger the water level are, the closer the location of the critical point is to the plumb line through the dam heel, and vice versa.
反倾结构面的倾角愈小、上下游水位差愈大，剪应力临界点的位置愈靠近坝踵铅垂线； - 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 plumb line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。 - 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。