plotting device

例句：

1. 1. This plotting device is used to plot the coordinates of a point on a map.
   这个绘图装置用于在地图上标出一个点的坐标。
2. 2. The engineer used a plotting device to design the new building's floor plan.
   工程师使用绘图装置设计了新建筑的平面图。
3. 3. The plotting device was used by the surveyor to measure the distance between two points on the map.
   测量师使用绘图装置测量了地图上两点之间的距离。