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