B-disk 可选用磁盘
moving b arm disk 活动臂磁盘
b rear brake disk b5后制动盘上
RESTORE LOG B FROM DISK 获取比表被删除的时间略早的时间
If booting from disk had been unsuccessful, for whatever reason, I would have instigated Plan b.
如果由于某种原因从磁盘引导不成功，我就采用备用计划。
The rows representing account A and account B are not likely to be stored in the same disk block, which means that more than one disk IO will be required to complete the transfer.
表示账户 A 和账户 B 的行可能不会存储在同一个磁盘块中，这意味着要完成转账需要进行多个磁盘 IO。
B: I know. The portable hard disk is popular now.
B：我知道，现在流行移动硬盘。
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