二氧化碳灭火器
CO^2 fire extinguisher
carbon dioxide extinguisher
carbon dioxide bottle
carbon dioxide fire extinguisher
carbon dioxide cylinder
carbon-dioxide extinguisher
CO 2 fire extinguishing system
四氯化碳灭火器
carbon tetrachloride fire extinguisher
手提式灭火器
hand extinguisher
Portable fire extinguisher
酸碱灭火器
soda-acid fire extinguisher
alkali acid fire extinguisher
soda-acid extinguisher
轻便液体灭火器
portable fluid extinguisher
轻便灭火器
Portable fire extinguisher
手提灭火器
Portable fire extinguisher
hand-held fire extinguisher
hand fire extinguisher