[{"title":"( 3 个子文件 351.5MB ) Altium Designer(元件库+封装库+3D模型).zip","children":[{"title":"Altium Designer(元件库+封装库+3D模型)","children":[{"title":"Readme.txt <span style='color:#111;'> 392B </span>","children":null,"spread":false},{"title":"Altium Designer 库.zip <span style='color:#111;'> 321.74MB </span>","children":null,"spread":false},{"title":"Altium Designer 3D模型_STEP.zip <span style='color:#111;'> 34.05MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]