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铰柱 : 54 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 6 |
| General | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Navigation | 4 |
| Shipbuilding | 4 |
| Technology | 33 |
| Wind Energy | 1 |
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