这是你以“一致读”模式处理的块数。
This is how many blocks you processed in "consistent read" mode.
当纵向分割块数大于2时，图块将会放入抽屉中。
When the vertical partition of puzzle pieces is more than 2, the puzzle pieces will be added to the drawer.
used 列显示了该文件系统或设备上已使用的块数。
The used column shows the number of blocks that have been used on the file system or device.
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