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      雙面印制板

      雙面板是包括Top(頂層)和Bottom(底層)的雙面都敷有銅的印制電路板,雙面都可以布線焊接,中間為一層絕緣層,為常用的一種印制電路板。
      ? 国产亚洲国际精品福利久久

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