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请问有人了解一线制通信吗?
2012-7-6 10:04
- 通信技术
- 14
- 2701
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
工业远程控制器
2008-2-26 18:15
- 工控、机电一体化
- 16
- 2079
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
有做过倾斜控制的吗?
2008-2-8 16:54
- 工控、机电一体化
- 1
- 1252
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
问IGBT和达林顿管有什么区别
2008-2-8 16:48
- 工控、机电一体化
- 6
- 4564
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
甚么是npn或pnp输入,输出 谢了
2008-2-8 16:41
- 工控、机电一体化
- 3
- 1391
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
一段国外线路板上的电路,请高手分析。谢谢
2008-8-22 10:43
- 电路赏析
- 16
- 3155
![](https://bbs.21ic.com/static/image/common/icon_quote_m_s.gif)
![](https://bbs.21ic.com/static/image/common/icon_quote_m_e.gif)
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