嗬，現在複雜的電路板子裏麵有多至十多二十層的內部走線層和全銅泊層(copper plane）

來源: iGarage 於 2021-06-26 20:52:20 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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