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