[{"title":"( 4 个子文件 778KB ) 联通2011和2012年3G网络优化与维护类试题","children":[{"title":"联通笔试题","children":[{"title":"联通行测笔试题.doc <span style='color:#111;'> 54.50KB </span>","children":null,"spread":false},{"title":"2012年联通3G网络优化与维护类试题.doc <span style='color:#111;'> 95.00KB </span>","children":null,"spread":false},{"title":"2011年网优试卷.doc <span style='color:#111;'> 134.00KB </span>","children":null,"spread":false},{"title":"联通笔试真题.pdf <span style='color:#111;'> 660.71KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]