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喷煤 : 211 phrases in 11 subjects |
| Agriculture | 1 |
| Architecture | 3 |
| Aviation | 3 |
| Business | 1 |
| Chemistry | 2 |
| Electronics | 1 |
| General | 7 |
| Metallurgy | 159 |
| Oil / petroleum | 1 |
| Technology | 32 |
| United Nations | 1 |
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