pcb封装
protel99se封装库,包括元件库和封装。...
protel99se封装库,包括元件库和封装。...
PCB技术大全(PCB基础知识、布线规则经验、PCB技术、封装介绍)...
PCB的制作,添加元器件并绘制元器件,最后生成PCB图...
This comprehensive reference provides information on the PCB Editor and the various objects that can be used to layout your PCB design....
PCB工艺详细解释,快速掌握工艺要领,是你的好帮手...