ddb2pcb\ddb2pcb.exe .......\ddb2pcb.ini .......\ddb2pcb.log .......\files\HY-3901_pads.pcb .......\.....\Layout.err .......\padsimporter.exe .......\PowerPCB.ini .......\romansim.fnt .......\sdb500.dll .......\SLibs500.dll .......\sui500.dll .......\安装指南.txt .......\files .......\lib ddb2pcb