English ⇄ Chinese

filter air
auto.	过滤空气; 空气滤清器
avia.	滤过器空气

filter air: 209 phrases in 26 subjects

Air defense	1
Animal husbandry	1
Automobiles	34
Aviation	5
Chemistry	2
Compressors	4
Ecology	7
Electric machinery	1
Electronics	9
General	2
Hydroelectric power stations	1
Mechanics	1
Metallurgy	1
Nautical	3
Nuclear and fusion power	2
Nuclear physics	1
Oil / petroleum	1
Rail transport	6
Refrigeration	42
Shipbuilding	8
Steel production	2
Technology	71
Textile industry	1
Ventilation	1
Water resources	1
Wind Energy	1