[{"title":"( 6 个子文件 5.88MB ) 西南交大工程力学课件","children":[{"title":"西南交大工程力学","children":[{"title":"第六章 内力和内力图.ppt <span style='color:#111;'> 2.80MB </span>","children":null,"spread":false},{"title":"第九章 弯曲.ppt <span style='color:#111;'> 3.43MB </span>","children":null,"spread":false},{"title":"第十章 应力状态理论和强度理论.ppt <span style='color:#111;'> 1.08MB </span>","children":null,"spread":false},{"title":"第十一章 压杆的稳定性.ppt <span style='color:#111;'> 700.00KB </span>","children":null,"spread":false},{"title":"第八章 扭转.ppt <span style='color:#111;'> 2.42MB </span>","children":null,"spread":false},{"title":"第七章 拉伸和压缩.ppt <span style='color:#111;'> 3.13MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]