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| source of supply | |||
| water supply source | |||
| source of water supply; head water | |||
| 供水 水源: 27 phrases in 8 subjects |
| Ecology | 1 |
| Electronics | 2 |
| Engineering geology | 3 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Rail transport | 1 |
| Technology | 16 |
| Water resources | 2 |
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