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C919打破垄断,国产大飞机能否突破技术封锁?
国产大飞机C919迎来历史性突破,中国商飞宣布年内将实现50架量产目标,首架海外交付机型已进入总装阶段。与此同时,欧洲航空安全局(EASA)完成C919首个符合性试飞,标志着其国际适航认证迈出关键一步。然而,国产大飞机的发展并非一帆风顺,发动机问题成 ...
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