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应该怎么拼板省钱?
2013-12-6 18:20
- PCB技术
- 19
- 4091
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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修改后的4层板,请各位大神批评指正,辛苦各位了,谢谢啦
2013-12-6 09:18
- PCB技术
- 50
- 6002
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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这样的焊盘封装可以吗
2013-8-9 11:51
- PCB技术
- 17
- 2462
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
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看了老外的一个光电检测电路,不太理解,请教一下大家
2014-12-19 16:14
- 模拟技术论坛
- 27
- 4127
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2
3
近期访客