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压脊 : 30 phrases in 12 subjects |
| Chemistry | 1 |
| Desert science | 3 |
| Earth sciences | 1 |
| General | 1 |
| Metallurgy | 2 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Polygraphy | 1 |
| Space | 1 |
| Sports | 2 |
| Surgery | 3 |
| Technology | 13 |
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