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speed change ['spi:dʧeɪnʤ]
auto. 换档
dril. 换挡
econ. 变速
el.mach. 转速变化
tech. 速率变化; 变速杆
speed change: 116 phrases in 28 subjects
Air defense1
Architecture1
Automobiles14
Aviation1
Bridge construction1
Business1
Chemistry2
Computer numerical control2
Drilling7
Economy1
Electric machinery6
Electronics2
General1
Hydroelectric power stations1
Mechanic engineering2
Metallurgy9
Military1
Nautical1
Oil / petroleum6
Racing and motorsport1
Rail transport1
Shipbuilding7
Space1
Steel production2
Table tennis1
Technology39
Textile industry2
Wind Energy2