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