plumb-line
英[p'lʌml'aɪn]
美[p'lʌml'aɪn]
- 铅锤线,铅垂线
详细释义
名词 plumb line:
-
a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point
双语例句
- The plumB line is always perpendicular to the horizontal plane.
铅垂线总是垂直于水平面的。
用法讲解
- plumb line 铅垂线
- curvature of the plumb line 垂线曲率
- plumb line deflection 垂线偏差
- deflection of plumb line 垂线偏差
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