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图片:通孔.jpg
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lierda:像这种底部散热焊盘,开距离相等的9个(或4个),孔径一般≤0.3mm,开钢网的时候开一个十字宣导通道(九宫格开法),避开过孔就行。 (2017-03-20 11:25)
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