[{"title":"( 2 个子文件 140KB ) CAE有限元分析 Abaqus软件 球体撞击仿真","children":[{"title":"Ball.cae <span style='color:#111;'> 156.00KB </span>","children":null,"spread":false},{"title":"Ball.jnl <span style='color:#111;'> 62.96KB </span>","children":null,"spread":false}],"spread":true}]