double wheel,dual wheel
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- thermal fracture
- water officer;water supply officer
- avoidable accident
- fire-proof fiber;fireproof
- resource officer
- forest farm
- ceiling panel heating
- α-AlH3
- door holding device
- Cauterization
- data acquisition and processing
- composite explosive
- minimum occupant load
- compressed air tool
- fire drencher
- fail-obvious condition
- Firemaster CA
- control state
- watering system
- combustion space