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