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