This technique works fine if you have a single database maintenance activity within the logical unit of work (LUW).

如果在逻辑工作单元(LUW)中维护一个数据库活动，那么这一技巧将非常有用。

youdao

Unit testing of components modified during maintenance coding.

对代码维护过程中所修正代码的组件进行单元测试。

youdao

No lift-manufacturing unit shall borrow from other units the qualification certificate of conducting lift manufacturing, installation, renovation or maintenance activity.

电梯生产单位不得向其他单位转借从事电梯制造、安装、改造和维修活动的资质证书。

youdao

As a result, the firm has taken measures to try to turn around the fortunes of the unit, including cancelling services on loss-making routes and streamlining some of its maintenance operations and cutting jobs.

BBC: Qantas: Boeing compensation boosts first-half earnings