You'd have to shut down the entire service, which is done occasionally for maintenance.
你不得不关闭整个服务，这种措施只能在需要维修时偶尔为之。
Those reactors had been shut down for maintenance since last winter.
从去年冬天开始，这些核反应堆就被关闭进行维护。
That reactor, Unit 4, had been shut down before the quake for maintenance.
该反应堆，4号机组，已被关闭进行维修前，地震。
All the moving parts of the welder shall be shut down during maintenance or repair.
在维护或维修机器时，要停止机器的所有运动部分。
It will then be shut down for up to a year for maintenance work.
然后它将停下来进行长达一年的维修工作。
The website was temporarily shut down for maintenance.
由于系统维护，网站暂时关闭。
The website was temporarily shut down for maintenance.
由于系统维护，网站暂时关闭。
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