只有一次维修记录，原因是燃料的辅助动力装置罩泄漏。
Only one deferred maintenance item was noted in the maintenance logs. This was for fuel leaking from the auxiliary power unit cowling.
这电梯由世界最大的电梯生产公司---奥汀斯公司生产， 目前还处于质保期，而且仅仅上个月，生产商就对它进行了一次维修检查。
The escalator, produced by the world's largest escalator firm OTIS, was still in guarantee, and the manufacturer had completed a routine check just last month.
2009年哈勃望远镜经过了一次维修，部分仪器得到更换。此后它将给人类带来什么样的新发现呢？记者就这一问题采访了威勒博士。
The Hubble was refitted with new instruments in 2009. EarthSky asked Dr. Weiler what he expects from it in the years to come.
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