铅垂线 meaning in English
[建筑] plumb line
Examples
- Bricklayers and carpenters often use plumb lines .
瓦工和木工经常使用铅垂线。 - Absolute orientation of aerial imagery over urban areas combined with vertical lines
铅垂线辅助城区航空影像的绝对定向 - Its mast can be installed in inclination according to the requirement of construction the angle between the axis of mast and vertical line should be 10 , while the floor of cage always remains level
该系列升降机无对重，导架按施工需要而倾斜安装导架轴线与铅垂线夹角10 ，但吊笼地板始终与水平面平行。