US Federal Aviation Administration
相关英语词汇推荐
- composite explosive
- water officer;water supply officer
- control state
- thermal fracture
- fire-proof fiber;fireproof
- Cauterization
- α-AlH3
- avoidable accident
- resource officer
- forest farm
- Firemaster CA
- compressed air tool
- data acquisition and processing
- ceiling panel heating
- watering system
- fail-obvious condition
- door holding device
- minimum occupant load
- combustion space
- fire drencher