regular airline是什么意思 regular airline怎么读
regular airline的用法和样例
- Beijing to Guangzhou is a daily airline of CAAC.
北京到广州是中国民航每天的定期航线。 - Without that information, the airline was not able to determine whether crews had exceeded the federal limit for flying hours, The Cincinnati Enquirer reported.
缺少了该系统，定期航线就无法判断机组是否已经超过了联邦飞行时区的界线。
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