drawing pen造句

例句与造句

1. Drawing machines are electromechanical graphics output equipments controlled by computers , which can make the graphics produced by computers draw on the drawing paper and save it with drawing pens or ink
   绘图机是由计算机控制的机电式图形输出设备，可以把计算机所生成的图形用绘图笔或者墨的方式画在绘图纸上保存下来。
2. It's difficult to find drawing pen in a sentence. 用drawing pen造句挺难的