[{"title":"(2个子文件695.3MB)FreeCAD0.18源码和依赖包.zip","children":[{"title":"FreeCAD-0.18.4.zip <span style='color:#111;'>216.76MB</span>","children":null,"spread":false},{"title":"FreeCADLibs_12.1.4_x64_VC15.7z <span style='color:#111;'>480.48MB</span>","children":null,"spread":false}],"spread":true}]