1、 boarding check
2.Boarding Pass
3.boarding card
例句：
Another sensor at the gate lets customers on board and a boarding pass is then printed for final seat number verification.
登机口的另一个传感器可以让顾客登机,然后再打印出登机牌,以便最后确认座位号.
——必应词典
1、 boarding check
2.Boarding Pass
3.boarding card
例句：
Another sensor at the gate lets customers on board and a boarding pass is then printed for final seat number verification.
登机口的另一个传感器可以让顾客登机,然后再打印出登机牌,以便最后确认座位号.
——必应词典