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产量提高 : 23 phrases in 9 subjects |
| Agriculture | 2 |
| Business | 3 |
| Commerce | 1 |
| Economy | 7 |
| General | 2 |
| Metallurgy | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| Textile industry | 2 |
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