值机柜台
A. check-in counters
B. security check channels
C. boarding gates
D. terminal buildings
安检通道
A. check-in counters
B. security check channels
C. boarding gates
D. terminal buildings
登机口
A. check-in counters
B. security check channels
C. boarding gates
D. terminal buildings
unlawful interference
A. 愉快的一次旅行
B. 安全的飞行方式
C. 非法的干扰行为
D. 合法的身份证件