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主桥 : 40 phrases in 9 subjects |
| Agriculture | 1 |
| Automobiles | 3 |
| Bridge card game | 1 |
| Bridge construction | 7 |
| Information technology | 1 |
| Nautical | 1 |
| Nursing | 1 |
| Surgery | 8 |
| Technology | 17 |
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