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| 双盘式: 31 phrases in 11 subjects |
| Agriculture | 7 |
| Architecture | 2 |
| Automobiles | 9 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Technology | 3 |
| Textile industry | 2 |
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