[{"title":"( 7 个子文件 27.61MB ) 高教类课件:电气CAD实用教程.zip","children":[{"title":"高教类课件:电气CAD实用教程","children":[{"title":"6.ppt <span style='color:#111;'> 3.80MB </span>","children":null,"spread":false},{"title":"3.ppt <span style='color:#111;'> 4.61MB </span>","children":null,"spread":false},{"title":"0.ppt <span style='color:#111;'> 3.56MB </span>","children":null,"spread":false},{"title":"1.ppt <span style='color:#111;'> 8.31MB </span>","children":null,"spread":false},{"title":"5.ppt <span style='color:#111;'> 4.35MB </span>","children":null,"spread":false},{"title":"4.ppt <span style='color:#111;'> 4.52MB </span>","children":null,"spread":false},{"title":"2.ppt <span style='color:#111;'> 5.90MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]