金属铜的电阻率低，所以在印制电路板中，用来制备铜箔及双面板、多层板的孔金属化方面采用镀铜工艺。
The resistance of the copper rate is low, so in printed circuit board, used to prepare copper foil and double panel, produce multilayer prototypes via metallization copper with on the process.
每三个LED可以作为一段，软性印制电路板，背面带双面胶，用于粘贴，体积小，安装方便。
Each LED can be used as a period of three, soft printed circuit board, on the back with double-sided adhesive for paste, small size, easy installation.
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