group P.4 explosives
相关英语词汇推荐
- door holding device
- Firemaster CA
- watering system
- data acquisition and processing
- fire drencher
- composite explosive
- water officer;water supply officer
- avoidable accident
- ceiling panel heating
- minimum occupant load
- combustion space
- α-AlH3
- thermal fracture
- fail-obvious condition
- compressed air tool
- fire-proof fiber;fireproof
- forest farm
- control state
- resource officer
- Cauterization