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型发动机 : 136 phrases in 20 subjects |
Agriculture | 4 |
Architecture | 1 |
Automobiles | 37 |
Aviation | 28 |
Business | 1 |
Construction | 1 |
Drilling | 1 |
Electric machinery | 1 |
Engineering geology | 1 |
General | 5 |
Mechanics | 1 |
Metallurgy | 1 |
Military | 1 |
Navigation | 1 |
Shipbuilding | 3 |
Skydiving | 2 |
Space | 20 |
Technology | 25 |
United States | 1 |
Wind Energy | 1 |