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speed change gear
chem. 变速箱
mech.eng. 变速齿轮〔装置〕
mil., air.def. 变速机构
tech. 变速器
textile 变速装置
wind. 变速齿轮
speed-change gear
auto. 主变速变换齿轮
met. 变速齿轮
speed- change gear
: 22 phrases in 7 subjects
Drilling5
Mechanic engineering2
Metallurgy1
Oil / petroleum1
Shipbuilding7
Technology5
Textile industry1