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短语

en-route alternate

运输, 航空 Streckenausweichflugplatz m; geeigneter Streckenausweichflugplatz
 英语 词库
en-route alternate
航空 An aerodrome at which an aircraft would be able to land after experiencing an abnormal or emergency condition while en route.
en-route alternate
: 2 短语, 1 学科
运输2