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Terms for subject Hydroelectric power stations containing 下水 道工程 | all forms | in specified order only
| Chinese | English |
| 上下水道工程 | water-supply and sewerage works |
| 污水工程下水道工程 | sewerage |
|
| Chinese | English |
| 上下水道工程 | water-supply and sewerage works |
| 污水工程下水道工程 | sewerage |