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空气系统 kōngqì xìtǒng
avia. air system
空气系统: 357 phrases in 25 subjects
Agriculture2
Animal husbandry1
Architecture3
Automobiles40
Aviation89
Chemistry1
Earth sciences16
Ecology5
Electric machinery1
Electronics27
Engineering geology1
Environment3
Hydroelectric power stations6
Metallurgy5
Nautical10
Nuclear and fusion power1
Plastics1
Rail transport3
Refrigeration31
Shipbuilding1
Soil science1
Space22
Technology81
Textile industry1
Wind Energy5