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speed gear
agric. 变速传动装置
dril. 变速齿轮
steel. 减速箱
tech. 高速齿轮; 高〔变〕速齿轮
speed gear: 170 phrases in 27 subjects
Agriculture4
Air defense1
Architecture1
Automobiles12
Aviation7
Business5
Chemistry2
Compressors3
Construction1
Cycle sport1
Drilling8
Earth sciences2
Electronics3
Hydroelectric power stations2
Mechanic engineering3
Mechanics1
Metallurgy15
Nautical1
Oil / petroleum4
Plastics1
Rail transport3
Shipbuilding9
Space2
Technology62
Textile industry2
Transport2
Wind Energy13