[{"title":"( 3 个子文件 651KB ) Protel 99se 常用芯片PCB封装库 器件库 PCB库文件4.5MB(270个).zip","children":[{"title":"常用芯片PCB封装库_PCB.lib <span style='color:#111;'> 4.45MB </span>","children":null,"spread":false},{"title":"常用芯片PCB封装库.DDB <span style='color:#111;'> 9.33MB </span>","children":null,"spread":false},{"title":"PCB封装库列表.txt <span style='color:#111;'> 2.66KB </span>","children":null,"spread":false}],"spread":true}]