1.
between perpendiculars
垂线间垂线间垂线间的
2.
adjust with a plumb line so as to make vertical.
用铅垂线调整使得垂直。
3.
test(sth)by using a plumb-line
用铅垂线测（某物）.
4.
To construct(a perpendicular, for example) from or on a given base.
作一垂直线从某一给定基线建（如一条垂线）
5.
The plumB line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。
6.
The point of intersection of the three altitudes of a triangle.
垂心三角形的三边垂线的交点
7.
conforming to the direction of a plumb line.
和铅垂线的方向一样。
8.
astrogeodetic plumb line deflectio
天文－大地垂线偏差
9.
Combining Calculation with Drawing to Define the Foot Position of Common Perpendicular of Lines on Different Planes;
算画结合,确定两异面直线公垂线的垂足位置
10.
A device, such as a plumb line, used in marking the vertical from a given point.
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
11.
Something vertical, as a line, plane, or circle.
垂直物垂直的东西，比如垂直线，垂直面或垂直圆
12.
A vertical or nearly vertical line or plane.
垂直线，垂直面垂直或近似垂直的线或平面
13.
In a vertical or perpendicular line.
垂直地在一条垂直线或竖直线上
14.
conductor support box
(垂直敷设的)导线支撑盒
15.
Vertical angle of maximum candlepower emission
最大发射光线的垂直角
16.
vertical body break
辊身沿轴线垂直面折断
17.
Riser cables-Sectional specification
垂直布线电缆分规范
18.
true vertical depth log
真垂直深度测井曲线