AutoCAD2005超详细教程: http://www.enet.com.cn/eschool/zhuanti/autocad/http://lib.verycd.com/2005/11/10/0000074049.html http://lib.verycd.com/2005/08/29/0000063087.html http://lib.verycd.com/2004/08/25/0000018269.html