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| 供水排水 | |||
| 给排水 | |||
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water supply and sewerage : 15 phrases in 7 subjects |
| Agriculture | 1 |
| Ecology | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Project management | 2 |
| Rail transport | 1 |
| Technology | 5 |
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