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排列图 : 25 phrases in 12 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Economy | 1 |
| Electronics | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Polymers | 1 |
| Project management | 1 |
| Technology | 5 |
| Telecommunications | 1 |
| Textile industry | 7 |
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