[{"title":"( 4 个子文件 65KB ) SolidWorks 焊件库 矩形管 库文件","children":[{"title":"矩型管","children":[{"title":"60 x 40 x 3.2.sldlfp <span style='color:#111;'> 92.00KB </span>","children":null,"spread":false},{"title":"70 x 40 x 5.sldlfp <span style='color:#111;'> 93.50KB </span>","children":null,"spread":false},{"title":"50 x 30 x 2.6.sldlfp <span style='color:#111;'> 92.50KB </span>","children":null,"spread":false},{"title":"120 x 80 x 8.sldlfp <span style='color:#111;'> 92.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]