谈起民航客机,大家印象最深的大概就是B747和A380飞机。B747飞机在航空史上占据着极其重要的地位,它是世界上第一款宽体喷气式客机,开创大型客机时代,有着空中女皇的美称。B747于1969年首飞,1970年投入商业运营,其巨大的机身可搭载大量乘客和货物,能跨越洲际飞行,大幅提高了航空运输的效率和能力,推动了全球航空业的快速发展。B747的横空出世,代表了当时航空技术的最高水平,象征航空技术巅峰...
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