Protel99se-TO-PowerPCB安装方法： 以安装到C:\ddb2PCB为例进行说明. 将解压后将\ddb2pcb整个目录copy到c:运行ddb2pcb.exe即可。-Installation Method: to install to C: \ ddb2PCB described as an example. Decompress after the \ ddb2pcb the entire catalog co