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二氧化碳灭火器 èryǎnghuàtàn mièhuǒqì
archit. asphyxiator; carbon dioxide gas extinguisher
chem. carbon dioxide fire extinguisher
ecol. carbon dioxide extinguisher
el.mach. carbon-dioxide fire extinguisher
oil CO2 fire extinguisher
space carbon dioxide fire extinguisher
tech. CO₂ fire extinguisher