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水 墩 : 76 phrases in 11 subjects |
| Aviation | 1 |
| Bridge card game | 1 |
| Bridge construction | 12 |
| Desert science | 1 |
| Electric machinery | 1 |
| Electronics | 7 |
| General | 2 |
| Hydroelectric power stations | 8 |
| Nautical | 1 |
| Rail transport | 3 |
| Technology | 39 |
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