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净化空气 jìnghuà kōngqì
tech. cleaner air
textile purified air
净化空 气
: 112 phrases in 23 subjects
Architecture3
Automobiles7
Aviation2
Business2
Compressors1
Earth sciences1
Ecology2
Electric machinery1
Electronics9
Environment1
General3
Household appliances1
Metallurgy6
Nautical1
Nuclear and fusion power1
Oil / petroleum4
Refrigeration10
Shipbuilding2
Space4
Surgery1
Technology47
Ventilation2
Wind Energy1