[{"title":"( 4 个子文件 15.41MB ) PCB 封装库集合 大全","children":[{"title":"PCB封装库集合","children":[{"title":"常用封装.PcbLib <span style='color:#111;'> 703.00KB </span>","children":null,"spread":false},{"title":"CORE.PcbLib <span style='color:#111;'> 158.00KB </span>","children":null,"spread":false},{"title":"PCB3D封装库.PcbLib <span style='color:#111;'> 15.65MB </span>","children":null,"spread":false},{"title":"stm32.PcbLib <span style='color:#111;'> 96.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]