The Aion game servers are currently down for unscheduled maintenance.
永恒之塔服务器因紧急维护而暂时关闭！
The average U.S. coal plant is offline 12.5 percent of the year for scheduled and unscheduled maintenance.
美国的煤电厂平均一年有12.5%的时间用来做定期或不定期的维护。
Improper rework practices can result in unscheduled maintenance or surface damage that causes crack initiation.
翻修不当可能会造成非计划性维修和表面损伤从而造成裂纹。
If unscheduled maintenance is required, how long will it take to find a replacement aircraft and will that aircraft be of the same type and quality as my original aircraft?
如果需要进行非计划内维护，你需要多长时间找到一架与我原来飞机同型号、同质量的替换运力？
To discover the minor leakage in boiler on time is significant to avoid unscheduled downtime of power unit and minimize maintenance period.
及早发现锅炉的轻微泄漏对避免机组非计划停运、缩短检修时间具有非常积极的意义。
To discover the minor leakage in boiler on time is significant to avoid unscheduled downtime of power unit and minimize maintenance period.
及早发现锅炉的轻微泄漏对避免机组非计划停运、缩短检修时间具有非常积极的意义。
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