PPT2010 added four shape tool, can cut the multi-channel graphics overlay, disappear to draw together the special shape, very simple character tagging box drawing change easily.
The latter can be divided into two types: character LCD modules and graphics LCD modules.
后者又可分为两种：字符型液晶显示模块和图形液晶显示模块。
3
This paper describes the character of complex engineering graphics, the method and skill of computer automatic generating. The actual production drawings are taken for examples.