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| 供水; 输水 | |||
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| 供水量; 给水量 | |||
| water delivery: 19 phrases in 6 subjects |
| Electronics | 1 |
| Engineering geology | 1 |
| Hydroelectric power stations | 2 |
| Rail transport | 1 |
| Technology | 13 |
| Water resources | 1 |
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