They must do maintenance for the training centre.

他们必须对培训中心进行维护。

youdao

DB2 UDB needs to make the database unavailable to do maintenance. Select the following.

DB 2 UDB需要使数据库不可用，以便进行维护。

youdao

Automotive beauty experts pointed out that to do maintenance work seals, owners should start from everyday things.

汽车美容专家指出，要做好密封圈的保养工作，车主们就要从日常的小事开始做起。

youdao

I work for the park's department. I do maintenance.

我在公园的一个部门工作。我负责维护工作。

在梅可姆公园 - SpeakingMax英语口语达人

And so when you start to do this, you can now have a much more portion of your IT spending dedicated to maintenance and sustaining.

所以开始做这件事的时候，很大一部分的信息技术开销,都用于维持和维护了。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Student: Yeah. So the question is are any of these factors, particularly the big three, proximity, familiarity, and similarity-- ? Do they affect the maintenance of relationships?

学生：,你的问题是,有没有一个因素，尤其在这三大因素当中，即空间接近，，熟悉度和相似性-,会影响关系的维持？

耶鲁公开课 - 心理学导论课程节选

The electric third rail makes it more difficult to do maintenance safely. 1000V DC current will literally burn a person to a black crisp.

FORBES: Why Does BART Need To Do Nightly Maintenance?

If tenants vacate your home and you must fly down to Florida to do regular maintenance, for instance, you can write off your travel and meals as a business trip.

FORBES: Homing In On Taxes

So the question is, if all these transit providers need to do similar levels of maintenance work, why do some of them run twenty four hours, but not BART?

FORBES: Why Does BART Need To Do Nightly Maintenance?