There is also a phenomenon is to the print paper to place the correct side.
另外还有一种现象，是将打印纸的打印面正确放置。
Print page one on one side of a sheet of paper and page two on the other side.
在一页纸的一面打印第一页，并在另一面打印第二页。
Print page one on one side of a sheet of paper and page two on the other side.
在一页纸的一面打印第一页，并在另一面打印第二页。
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