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