PCB可制造性設計-pcb打樣_pcb多層板_高端HDI快板制造-華秋高多層快板廠(原華強PCB)

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熱門tags：

#鉆孔設計常見錯誤 #PCB走線最佳實踐 #多層板孔間距應大于0.6mm #開槽寬度需大于0.8MM #過孔外徑需大于0.45mm #線路異常 #PCB封裝

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