backup operation

• 备份操作

backup operation的用法和样例：

例句

1. Only one file backup operation can occur at a time.
   一次只能进行一个文件备份操作。
2. 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...