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