instrument flight rule
instrument flight rules (IFR)
instrument flight simulation
instrument flying
instrument for aerial photographic record
instrument for automatic sequence control
instrument for electronic point massage
instrument for measuring oxygen in molten steel
instrument for measuring water temperature
instrument flight rules (IFR)
instrument flight simulation
instrument flying
instrument for aerial photographic record
instrument for automatic sequence control
instrument for electronic point massage
instrument for measuring oxygen in molten steel
instrument for measuring water temperature
instrument for aerial photographic record
instrument for aerial photographic record
Definitions
- [1] [航 摄] 航摄记录仪器