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operating irregularity

航空, 加拿大 irrégularité d’exploitation ATS; irrégularité d’exploitation
 英语 词库
operating irregularity
航空, 加拿大 A situation that occurs when ATS are being provided and when a preliminary investigation indicates that a hazardous situation or loss of separation may have occurred
Operating Irregularity
: 6 短语, 1 学科
航空6