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纸 芯 : 46 phrases in 13 subjects |
| Agriculture | 2 |
| Automobiles | 11 |
| Aviation | 3 |
| Compressors | 1 |
| Electric machinery | 3 |
| Electronics | 2 |
| General | 3 |
| Plastics | 3 |
| Polygraphy | 2 |
| Polymers | 1 |
| Technology | 10 |
| Textile industry | 2 |
| Wood processing | 3 |
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