[{"title":"( 6 个子文件 256KB ) 国标图纸外框Autocad文件","children":[{"title":"标准图纸模块","children":[{"title":"A0.dwg <span style='color:#111;'> 84.95KB </span>","children":null,"spread":false},{"title":"标准图框.dwg <span style='color:#111;'> 32.52KB </span>","children":null,"spread":false},{"title":"A2.dwg <span style='color:#111;'> 90.11KB </span>","children":null,"spread":false},{"title":"A1.dwg <span style='color:#111;'> 133.29KB </span>","children":null,"spread":false},{"title":"A4.dwg <span style='color:#111;'> 86.57KB </span>","children":null,"spread":false},{"title":"A3.dwg <span style='color:#111;'> 90.86KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]