这是机床卡具的装配图。通过俯视，主视，左视图来展现了本次个人设计的卡具，定位与装卡都达到了简单合理。-This is the assembly of machine tool fixture. The sight of the Lord, by looking down, the left view to show the individual design jig, positioning and clamping have reached a reasonable and simple.

该程序能读取dxf文件并显示，学习扩展该程序，可用于工程设计中CAD图形的绘制，以达到简化重复工作的目的。-The program can read dxf file and display.

使用vb批量替换cad图纸中的文字，达到快速修改图纸参数的效果。(Using VB to replace the text in the CAD drawings in batch, and achieve the effect of quickly modifying the parameters of the drawings.)