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初热 : 30 phrases in 11 subjects |
| Architecture | 1 |
| Aviation | 2 |
| Compressors | 1 |
| Electronics | 2 |
| General | 1 |
| Geology | 2 |
| Life sciences | 1 |
| Metallurgy | 12 |
| Roll stock | 1 |
| Sports | 1 |
| Technology | 6 |
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