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| 角度矫正机 | |||
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angle roll : 42 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 6 |
| Aviation | 5 |
| Genetics | 2 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 2 |
| Space | 10 |
| Technology | 9 |
| Wind Energy | 3 |
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