化学灭火机理
chemical fire extinguishment mechanism
便携式风力灭火机
portable pneumatic extinguisher
大型移动式灭火机
large mobile fire extinguisher
二氧化碳灭火机
carbon dioxide fire extinguish
防爆防火灭火装置
explosion-proof and fireproof and fire extinction device
防火灭火新技术
new fire prevention technology
火探自动探火灭火系统
fire trace automatic fire deteition system
机械泡沫灭火机
mechanical foam extinguisher
轮式干粉灭火机
wheeled dry powder fire extinguisher
轮式灭火机
wheel-mounted extinguisher
浓度猝灭机理
concentration self-quenching mechanism