[{"title":"( 72 个子文件 5.3MB ) 各种连杆机构动画仿真素材","children":[{"title":"第2章","children":[{"title":"双摇杆","children":[{"title":"link2.prt.5 <span style='color:#111;'> 51.76KB </span>","children":null,"spread":false},{"title":"SHUANGYAOGAN.mpg <span style='color:#111;'> 346.83KB </span>","children":null,"spread":false},{"title":"link1.prt.3 <span style='color:#111;'> 52.23KB </span>","children":null,"spread":false},{"title":"link3.prt.4 <span style='color:#111;'> 54.23KB </span>","children":null,"spread":false},{"title":"link4.prt.4 <span style='color:#111;'> 54.22KB </span>","children":null,"spread":false}],"spread":true},{"title":"手压抽水机","children":[{"title":"yagan.prt.8 <span style='color:#111;'> 77.60KB </span>","children":null,"spread":false},{"title":"xiaoding.prt.3 <span style='color:#111;'> 38.12KB </span>","children":null,"spread":false},{"title":"liangan.prt.11 <span style='color:#111;'> 95.76KB </span>","children":null,"spread":false},{"title":"SHOUYACHOUSHUIJI.mpg <span 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