在日常使用软磁盘片中,常会由于某种原因而划伤盘片,不过这时它的外封套往往还是完好的。有时也会不小心将有的盘片封套折坏,使盘片介质不能在其内平整地旋转,但是封套内软盘片介质本身可能还可使用。因此,我们若将两者的封套进行调换,就不仅可获得一个完好的盘片,而且也挽救 In the daily use of soft disk, often for some reason scratches the disk, but then its outer envelope is often still intact. Occasionally, some disc wrappers are discouraged, so that the disc medium can not be rotated flatly inside, but the medium of the floppy disc inside the wrappers may still be used. Therefore, if we exchange the envelopes of both, we will not only get an intact platter, but also save