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短语

Clearance void...

航空, 加拿大 Autorisation annulée...
 英语 词库
"Clearance void ..."
航空, 加拿大 An expression used in radiocommunication to indicate a time specified by an ATC unit at which a clearance ceases to be valid unless the aircraft concerned has already taken action to comply therewith
Clearance void
: 3 短语, 1 学科
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