ranging pole

例句：

1. 1. The range pole is used to adjust the height of the camera.
   测距杆用于调整相机的高度。
2. 2. The range pole is a useful tool for measuring distances.
   测距杆是一种测量距离的有用工具。
3. 3. The range pole was used to mark the boundaries of the new construction site.
   测距杆被用来标记新建筑工地的界限。