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