By default, the Aged timeout property is set to 0, which means that the maintenance thread will never perform this check.

在缺省情况下，过时超时属性设置为0，这意味着维护线程从不执行此检查。

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For an example, check out last week's Hive Five best Windows maintenance tools.

给您一个简单的例子，这是上周Hive Five最优秀的windows维护工具。

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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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Its last maintenance check in the hangar took place on 16 April 2009.

CNN: Could lightning have brought down Air France plane?

The aircraft first flew in 2003 and is understood to have undergone a thorough maintenance check just last year.

BBC: Making plane crashes less deadly

Every ride undergoes a daily, pre-opening safety and maintenance check throughout the season and is subject to an annual, independent safety inspection.

BBC: Camelot Theme Park ride to remain closed after fall