楼主: 海岸线的浪
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关于小区监控抗干扰的,请各位指教 |
发表于 2006-12-2 05:28:46
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re:嘿嘿,我做的小区视频线和电源都是一根管走...
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发表于 2006-12-2 07:26:09
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re:1。用220V供电,和75线一起走,会有...
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发表于 2006-12-4 19:43:33
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re:用共缆监控技术抗干扰性能比较好
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