原理图
......\History
......\.......\PCB_Project1.~(1).PrjPCB.Zip
......\.......\Sheet1.~(1).SchDoc.Zip
......\PCB_Project1.PrjPCB
......\Project Logs for PCB_Project1
......\.............................\Sheet1 SCH ECO 2016-10-4 20-35-05.LOG
......\Sheet1.SchDoc
......\Sheet1.SchDocPreview