US safety regulators have called on Boeing to redesign the protective covering of engines on its older 737 aircraft to prevent a repeat of the fatal accident last year in which a Southwest Airlines passenger was pulled through a window damaged by shattered cowling.
美国安全监管机构已要求波音(Boeing)重新设计其较老款737客机的引擎整流罩，以防止去年发生的一起致命事故重演——去年，美国西南航空(Southwest Airlines)一架班机的舷窗被破碎的引擎整流罩毁坏，一名乘客被吸出舷窗外。
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