[{"title":"(3个子文件600KB)protel99sePCB封装库360个.zip","children":[{"title":"PCB封装库(protel99).DDB <span style='color:#111;'>7.04MB</span>","children":null,"spread":false},{"title":"PROTELPCB器件封装列表.txt <span style='color:#111;'>3.10KB</span>","children":null,"spread":false},{"title":"PCB封装库(protel99).lib <span style='color:#111;'>3.36MB</span>","children":null,"spread":false}],"spread":true}]