"Lastyear was our first winter to operate the F-22 in Alaska, " notes CMSgt. William Holm, the aircraft maintenance unit superintendent for the 90thAircraft Maintenance Unit.

“去年我们在阿拉斯加装备使用F-22的头一个冬天，”第90战斗机中队飞机维护部门的总监、军士长威廉姆·霍尔曼说。

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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。

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The remote subcontractor at Site B is tasked with maintenance development and unit testing on the existing client/server application.

Site B 的远程转包商承担维护开发、对现存的客户/服务器应用软件进行单元测试任务。

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Unit 2 had been taken offline earlier that month for maintenance, and investigators later found unexpected wear on hundreds of tubes inside both units.

NPR: Calif. Reactors Might Be Retired If Restart Nixed

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

The dome in Unit 4, however, was removed in November 2010 and the fuel removed for reactor maintenance and to add new fuel rods.

FORBES: New Video From Fukushima Shows Containment Vessel Dome Amid Debris