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1. | source of water supply |
| 供水水源 |
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2. | freshwater source |
| 淡水源 |
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3. | water source |
| 给水水源 |
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4. | single-source system |
| 单水源系统 |
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5. | control of source |
| 水源控制 |
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6. | ground water source |
| 地下水源 |
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7. | natural water source |
| 天然水源 |
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8. | protection of water source |
| 水源保护 |
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9. | auxiliary water source |
| 辅助水源 |
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10. | the source of drinking water |
| 饮用水源 |
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