[{"title":"( 148 个子文件 5.69MB ) 电路分析基础周围主编--习题解答","children":[{"title":"4-21.jpg <span style='color:#111;'> 26.92KB </span>","children":null,"spread":false},{"title":"4-31.jpg <span style='color:#111;'> 18.40KB </span>","children":null,"spread":false},{"title":"4-04.jpg <span style='color:#111;'> 38.77KB </span>","children":null,"spread":false},{"title":"4-11.jpg <span style='color:#111;'> 27.51KB </span>","children":null,"spread":false},{"title":"4-12.jpg <span style='color:#111;'> 29.63KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]