Introduction - If you have any usage issues, please Google them yourself
Protel-related learning curriculum, drawing on learning PCB and PCB production process are more detailed introduction
Packet : 117143148pcb_book.rar filelist
pcb教程\PCB routing 策略&routingchecklist.pdf
pcb教程\PCB.pdf
pcb教程\PCBTech.chm
pcb教程\pcb的工艺规范.pdf
pcb教程\PCB设计基本工艺要求.pdf
pcb教程\PCB设计基础教程.exe
pcb教程