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变速箱/齿轮箱
avia. gear box
变速箱,齿轮箱
auto. gearbox
变速箱/ 齿轮 箱
: 37 phrases in 12 subjects
Automobiles4
Business1
Chemistry2
Computer numerical control1
Drilling1
General2
Mechanics1
Metallurgy1
Oil / petroleum2
Rail transport1
Shipbuilding1
Technology20