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[讨论] FR-4板材的介电常数一般是多少? |
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发表于 2008-11-1 12:25:27
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发表于 2008-11-1 15:23:40
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发表于 2008-11-6 23:29:22
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发表于 2008-11-15 00:05:14
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nihao
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发表于 2008-11-29 20:03:40
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