第一架飞机用了一年多的时间才完成计划维护间隔(PMI)1、2、3,并在另一个计划维护间隔完成前,将增加5到6年的服役时间。
The first aircraft took more than a year to complete the Planned Maintenance Intervals (PMI) 1, 2, and 3 that will add five to six years of service life to the aircraft before another PMI is due.
在周三午夜,在没有空中交通管制员指引的情况下,间隔很短的两架飞机降落在Ronald Reagan华盛顿国际机场。
On March 23, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
在周三午夜,在没有空中交通管制员指引的情况下,间隔很短的两架飞机降落在Ronald Reagan华盛顿国际机场。
On Wednesday, two airplanes landed at Ronald Reagan Washington National Airport shortly after midnight without an air traffic controller.
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