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| deep submergence | |||
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深 灌 : 21 phrases in 8 subjects |
| Agriculture | 2 |
| Architecture | 1 |
| Ecology | 1 |
| Engineering geology | 5 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Technology | 8 |
| Water resources | 2 |
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