“准线”造句

垂直和水准线的调整在一幅图像内.
Alignment of the vertical and horizontal lines in an image.

调整 ( 光学仪器的 ) 瞄准线.
To adjust the line of sight of ( an optical device ).

地下水深度沿着运河的对准线变化的.
Groundwater depth is variable along the alignment of the canal.