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大师们帮我看看我这个板子三极管怎么冒烟了?
2014-6-11 16:24
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需要一个24v转5v的多通道光耦,
2014-5-22 17:26
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菜鸟一枚~默默闯荡!
2014-7-2 16:01
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[吐槽]上研才知道,原来我误会电子了
2014-6-5 11:11
- 新手园地
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〓◆ 本质安全电源相关专辑 8册 21.3M ◆〓
2014-3-2 11:19
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一个新电路第一次上电时需要带眼镜不?
2010-12-6 12:10
- 新手园地
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元器件培训知识,希望对新手有用
2011-11-23 13:38
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2
3
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