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PCB板实物怎么转原理图?
2011-11-22 12:54
- PCB技术
- 30
- 9836
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老师是这么教我们进修单片机的
2013-12-16 09:25
- 新手园地
- 152
- 37271
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关于pcb的问题
2011-10-26 18:43
- PCB技术
- 6
- 1861
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
protel焊盘不能连线
2011-10-26 20:02
- PCB技术
- 2
- 4087
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
Protel DXP开槽是在机械层还是Keepout层画呀?
2011-11-6 21:34
- PCB技术
- 12
- 15753
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![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
电子工程师必上的十大专业网站
2016-2-19 14:36
- 电路赏析
- 240
- 82709
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2
3
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