The explosion occurred on Botnia’s transfer line for weak malodorous gases when the mill was started up after a 48-hour maintenance shutdown.

此次爆炸发生在这家博特尼亚工厂的低压恶臭气体传输管线上，当时正值该纸浆厂经过48小时保养停产之后的重新启动。

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If one DB2 subsystem goes down, or brought off-line for maintenance, other DB2 subsystems in the data sharing group take on the workload of the data sharing member that is now offline.

如果某一个db2子系统停机，或者出于维护的目的暂时离线，那么数据共享组中的其他DB 2子系统就会接管目前离线的数据共享成员的工作负载。

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Solve die problem on line and off line, work with process engineer to solve problem and assign work hours to technician, and check the maintenance result.

处理在线和离线模具问题，与工艺工程师一起制定解决方案并确定维修工时，检查维修结果。

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TfL and London Mayor Boris Johnson were criticised in 2010 when delayed upgrades and maintenance work on the Jubilee Line led to several sections being shut for about 100 weekends in total.

BBC: Central London Jubilee Line shuts for tunnel repairs

European refineries will come back on line after their usual late-winter and spring maintenance, and weak European economies are expected to gain strength.

WSJ: Rising Demand for Oil Spells More Price Pain

Her father, Phelim, 38, is a manager at Wembley Park station, her 17-year-old brother Phelim is a trainee at the maintenance firm Tube Lines and her godfather is a driver on the Jubilee Line.

BBC: London