[{"title":"( 6 个子文件 7.77MB ) 《液压与气压传动(姜继海)》课件","children":[{"title":"第三章 液压泵和液压马达.ppt <span style='color:#111;'> 3.11MB </span>","children":null,"spread":false},{"title":"第五章液压控制阀.ppt <span style='color:#111;'> 3.10MB </span>","children":null,"spread":false},{"title":"第四章液压与气压缸.ppt <span style='color:#111;'> 413.00KB </span>","children":null,"spread":false},{"title":"第六章 液压基本回路.ppt <span style='color:#111;'> 1.58MB </span>","children":null,"spread":false},{"title":"第一章 绪论.ppt <span style='color:#111;'> 1.78MB </span>","children":null,"spread":false},{"title":"第八章 典型液压系统介绍.ppt <span style='color:#111;'> 391.50KB </span>","children":null,"spread":false}],"spread":true}]