File list (Check if you may need any files):
LM339、393\+5Vcc.PrjPCB
..........\DIP8座.PcbLib
..........\History\PCB2.~(1).PcbDoc.Zip
..........\.......\循迹.~(1).PcbDoc.Zip
..........\.......\循迹.~(2).PcbDoc.Zip
..........\.......\比较器.~(1).PrjPCB.Zip
..........\.......\比较器.~(1).SchDoc.Zip
..........\LED.PcbLib
..........\__Previews\循迹P.PcbDocPreview
..........\..........\比较器.PcbDocPreview
..........\..........\比较器.SchDocPreview
..........\..........\火焰传感器.PcbDocPreview
..........\循迹.PcbDoc
..........\循迹P.PcbDoc
..........\循迹P.PcbDoc.htm
..........\比较器.PcbDoc
..........\比较器.PcbDoc.htm
..........\比较器.PrjPCB
..........\比较器.SchDoc
..........\火焰传感器.PcbDoc
..........\火焰传感器.PcbDoc.htm
..........\History
..........\__Previews
LM339、393