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形闸门 : 100 phrase in 14 subjects |
| Agriculture | 2 |
| Architecture | 2 |
| Drilling | 1 |
| Ecology | 1 |
| Electronics | 3 |
| General | 2 |
| Hydraulics | 1 |
| Hydroelectric power stations | 26 |
| Metallurgy | 4 |
| Port facilities | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 52 |
| Water resources | 3 |
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