[{"title":"( 2 个子文件 14.66MB ) DB9 DB15 DB25 DB37 DB50 Altium AD元件库 PCB封装库.zip","children":[{"title":"DB9~50封装 .PcbLib <span style='color:#111;'> 15.44MB </span>","children":null,"spread":false},{"title":"PCB封装列表.txt <span style='color:#111;'> 1.06KB </span>","children":null,"spread":false}],"spread":true}]