helicopteristn.直升机驾驶员
helicoptern.直升飞机vt.用直升飞机载送vi.乘直升机
Helicopter Gravity-Measuring System直升机重力测量系统
Helicopter Tactical Navigation System直升机战术导航系统
Helicopter Pilot Control and Training直升机飞行员管理与训练
Helicopter Automatic Targeting System直升机自动寻标系统
Helicopter Emergency Flotation System直升机紧急情况浮选系统
Helicopter Acoustic Processing System直升机声音处理系统
Helicopter Position and Terrain Height
Helicopter Expendable Bathythermograph一次使用的直升机海水温度计
Helicopter Infrared Detection Estimate直升机红外探测估价
Helicopter Long-Range Acoustic Sensor直升机远程音响传感器
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