plumb line deviation 铅垂线偏差 ; 偏离垂直线
curvature of the plumb line 垂线曲率
plumb line [测] 铅垂线 ; 铅锤线
plumb-line sign 垂直线征
For me these meditations are like a plumb line dropped by a master builder - to see if the walls are straight or crooked.
对我来说这些冥想就像一条建筑工人吊的铅垂线—来检查墙壁是否垂直。
Think of this as being a plumb line to find... used to find the direction of gravity.
假设这是铅垂。，想想重力方向是怎样的。
when a carpenter is satisfied that the walls are straight and aligned with the standard of the plumb line, he says that they are “true.”
当墙与铅垂线标准相一致时，木匠才满意，他说这才是对的。
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