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