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·[] 发表评论于 2009/12/7 20:03:44
 谁有这个电路做成的电路板?
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·[] 发表评论于 2009/5/14 23:51:05
 此線路經過實際使用,不行
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·[] 发表评论于 2009/4/7 22:41:43
 lc555 哪里有卖 好买吗
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·[AA] 发表评论于 2009/3/23 20:34:06
 继电器工作电压为12V,触电电流根据负载情况确定
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·[] 发表评论于 2009/3/21 20:18:04
 r4指那个?j什么要求
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·[aa] 发表评论于 2008/10/19 21:10:56
 R4就是水体电阻
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·[] 发表评论于 2008/10/19 17:55:07
 没有找到电阻R4 啊
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