英语词汇“extended-range twin operation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	extended-range twin operation
释义	extended-range twin operation extended-range twin operation (ETOPS) A rating accompanied by a time limit, such as 200-min ETOPS, that allows a twin-engine civil aircraft to fly over oceans and deserts provided it is never more than 200 min away from a suitable airfield.
随便看	european smart metering alliance european smds interest group european sme european smelt european snacks association european snakeroot european snake society european social action network european social and cultural studies centre european social charter european social dialogue european social fund european social fund division european social insurance partners european social investment forum european social network european social organisational and science consultancy european social science history conference european social science java network european social simulation association conference european social survey european social welfare information network european society for agricultural and food ethics european society for analytical cellular pathology european society for animal cell technology

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extended-range twin operation