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under command

运输, 航空 υπό έλεγχο
 英语 词库
under command
航空 An aeroplane on the surface of the water is 'under command' when it is able to execute manoeuvres as required by the International Regulations for Preventing Collisions at Sea for the purpose of avoiding other vessels.
under command
: 2 短语, 1 学科
运输2