protel—2004dxp 免费为大家提供的破解注册机，觉得好用就顶。-protel-2004dxp provided free of charge for everyone to break Zhuceji that easy to use on top.

直流马达控制板，是2004DXP版本的。文件属于研所办笨的-DC motor control board is 2004DXP version. File belongs to the Institute to do stupid

2004DXP的一些原理图库和PCB库，对新手比较有用，里面基本上的元件都有。-Some of 2004DXP s schematic library and PCB library, more useful for beginners, which basically components are.