后备[备份]操作

backup operation的用法和样例：

例句

Only one file backup operation can occur at a time.一次只能进行一个文件备份操作。
The name of the database involved in the backup operation.备份操作中涉及的数据库的名称。

词汇搭配

back up(因积聚而)拥堵...

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