An Airbus statement said the plane went into service in 1990 and had accumulated 51, 900 flight hours.

空中客车公司的声明中说，该飞机是在1990年投入使用，飞行时间已达51900小时。

youdao

Dufflot had almost 5, 000 flight hours on 34 different aircraft, including more than 80 combat missions.

Dufflot在34种不同的飞机上飞行了近5000飞行小时，完成了包括80多个作战任务。

youdao

Even once airborne for Chile there was still more to do, as I had set aside the flight hours for finishing my last paper.

就连飞往智利的旅程中都有更多事要做，因为我已经把飞行时间预留出来用于完成最后一篇论文。

youdao

During the flight, they separated the lunar lander from the command module and flew it for eight hours.

VOA: special.2009.07.08

And she has to catch a flight, and you know the flight is going to leave in three hours and she's taking her time.

她马上得去赶飞机，你知道飞机在三个小时后就要起飞了。可她还在磨磨蹭蹭。

Make sure 课堂 - SpeakingMax英语口语达人

Five hours after the explosion, flight controllers advised firing the rocket for thirty-five seconds.

VOA: special.2009.07.22

The aircraft had totaled 18, 870 flight hours and went into service on 18 April 2005.

CNN: A330-200: Ultra-modern and extremely safe

Its estimated costs are grounded in data developed during more than 10 million 767 flight hours.

CENTERFORSECURITYPOLICY: Firing offense

Instead, there were two battery failures when the entire 787 fleet had clocked less than 52, 000 flight hours.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries