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| let-off; run-in | |||
| 送经: 31 phrases in 10 subjects |
| Artificial intelligence | 1 |
| Economy | 2 |
| Electronics | 1 |
| General | 1 |
| International trade | 2 |
| Project management | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 5 |
| Textile industry | 16 |
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