[{"title":"( 3 个子文件 10.42MB ) 整理和积累的 Protel99se电路器件封装库 原理图库 PCB封装库 元器件库 -10MB.zip","children":[{"title":"3 网集元件库.zip <span style='color:#111;'> 1.02MB </span>","children":null,"spread":false},{"title":"1 原理图封装库.zip <span style='color:#111;'> 3.01MB </span>","children":null,"spread":false},{"title":"2 PCB封装库.zip <span style='color:#111;'> 6.59MB </span>","children":null,"spread":false}],"spread":true}]