[{"title":"( 10 个子文件 63.87MB ) 机械工程材料全套ppt","children":[{"title":"机械工程材料全套ppt","children":[{"title":"04第四章金属的塑性变形与再结晶.pptx <span style='color:#111;'> 6.16MB </span>","children":null,"spread":false},{"title":"01第一章材料的性能.pptx <span style='color:#111;'> 7.39MB </span>","children":null,"spread":false},{"title":"03第三章材料的凝固.pptx <span style='color:#111;'> 12.30MB </span>","children":null,"spread":false},{"title":"06第六章工业用钢.pptx <span style='color:#111;'> 6.68MB </span>","children":null,"spread":false},{"title":"00绪论.pptx <span style='color:#111;'> 5.62MB </span>","children":null,"spread":false},{"title":"机械工程材料总复习-2.pptx <span style='color:#111;'> 3.68MB </span>","children":null,"spread":false},{"title":"05第五章钢的热处理.pptx <span style='color:#111;'> 8.09MB </span>","children":null,"spread":false},{"title":"07第七章铸铁.pptx <span style='color:#111;'> 1.71MB </span>","children":null,"spread":false},{"title":"机械工程材料总复习-1.pptx <span style='color:#111;'> 1.05MB </span>","children":null,"spread":false},{"title":"02第二章材料的结构.pptx <span style='color:#111;'> 13.24MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]