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speed line
avia. 速率线; 测速位置线; 加速气管
tech. 速度线
speed line: 57 phrases in 19 subjects
Artificial intelligence1
Automobiles3
Aviation2
Drilling1
Economy1
Electronics9
Geophysics1
Information technology1
Mechanics1
Metallurgy3
Nautical1
Oil / petroleum1
Plastics1
Project management1
Rail transport3
Space4
Technology19
Telecommunications3
Transport1