[{"title":"( 3 个子文件 16.38MB ) Altium Designer 18官方教程中英文版","children":[{"title":"Altium Designer 18官方教程(中英文)","children":[{"title":"Altium Designer Ver18_官方中文教程_2018_02_09.pdf <span style='color:#111;'> 4.60MB </span>","children":null,"spread":false},{"title":"Altium Designer Ver18_官方英文教程_2018_02_09.pdf <span style='color:#111;'> 6.44MB </span>","children":null,"spread":false},{"title":"Altium Designer Ver18_官方中文教程_2018_02_09.docx <span style='color:#111;'> 6.75MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]