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封场 : 31 phrases in 14 subjects |
| Baseball | 1 |
| Business | 1 |
| China | 3 |
| Economy | 1 |
| Electric machinery | 1 |
| Electronics | 9 |
| Environment | 1 |
| Figure skating | 1 |
| Nautical | 2 |
| Project management | 1 |
| Refrigeration | 1 |
| Securities | 1 |
| Technology | 6 |
| Textile industry | 2 |
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