helicoptersn.直升机名词helicopter的复数形式.
helicoptern.直升飞机vt.用直升飞机载送vi.乘直升机
Helicopter Instrument Rules直升机仪表使用规则
Helicopter Sea Control Wing直升机海上控制联队
Helicopter Landing Exercise直升机登陆演习
Helicopter Delivery Service直升机递送服务
helicopter-loaded platform机载平台
Helicopter Direction Control直升机指挥控制
helicopters anti-submarine直升机反潜
Helicopter Direction Inbound直升机指挥归航
Helicopter Navigation System直升飞机导航系统
Helicopter Operations School直升机操作训练学校