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