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