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| 1. | drainage system |
| "排水系统,见 storm water drainage system" |
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| 2. | road drainage |
| 道路排水 |
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| 3. | drainage management |
| 排水管理 |
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| 4. | drainage network |
| 水系 |
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| 5. | drainage sluice |
| 排水闸 |
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| 6. | surface drainage |
| 路面排水 |
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| 7. | gas drainage |
| 瓦斯抽放 |
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| 8. | mole drainage |
| 鼠道排水 |
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| 9. | drainage experiment |
| 排水试验 |
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| 10. | drainage receiver |
| 排水容泄区 |
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