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逆 旋转 : 27 phrases in 14 subjects |
Automobiles | 1 |
Bridge construction | 2 |
Chemistry | 1 |
Electric machinery | 2 |
Electronics | 2 |
General | 1 |
Golf | 1 |
Information technology | 1 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 1 |
Shipbuilding | 3 |
Space | 1 |
Technology | 8 |