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