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