Courteous to one another
彼此相让
Civil Aeronautics Board
民间航空局;民用航空局
to be courteous to one another
彼此相让
Polite@courteous@good-mannered
彬彬有礼
refined and courteous
彬彬有礼
Civil Aviation Bureau
(日本运输省)航空局
Civil Aviation Ordinance height restriction
《民航条例》高度限制
civil and erection works
安装临时工人
Modest and courteous
恭而有礼
Civil Aviation Authority of Macau
澳门民用航空局
To be courteous and accessible
和蔼可亲
insurance against strike@riot@civil commotion
保罢工、暴动、民变险
To be courteous and genial
款洽融合