oblique plotting machine

例句：

1. 1. The oblique plotting machine is usedto draw a curved line onthe map.
   斜切绘图机用于在地图上绘制曲线。
2. 2. The oblique plottingmachine can be used for various purposes,such as drawing lines and shapes.
   斜切绘图机可用于绘制线条和形状等多种用途。
3. 3.The oblique plotting machine is anessential tool for geographic mapping.
   斜切绘图机是地理制图的必备工具。