[{"title":"(4个子文件17.95MB)Protel99se封装库原理图库PCB封装库元器件库工程实例.zip","children":[{"title":"4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":"2PCB封装库.zip <span style='color:#111;'>6.59MB</span>","children":null,"spread":false},{"title":"3socket封装库.zip <span style='color:#111;'>7.54MB</span>","children":null,"spread":false}],"spread":true}]