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| 11. | The pipe connects with the sewer. |
| 这根管子连接下水道。 |
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| 12. | The heavy rainfall backed up the sewers. |
| 大雨堵塞下水道。 |
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| 13. | gulley drain |
| 【建】下水道 |
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| 14. | storm water outfall |
| 下水道渠口 |
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| 15. | Melbourne Water has appointed a private contractor to carry out maintenance work on our water, sewer and drainage |
| 墨尔本水工程服务队指定一个私人承包公司对自来水、下水道和排水系统进行维修管理。 |
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| 16. | sewerage of separate system |
| 分流制下水道 |
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| 17. | function chamber |
| 下水道汇流井 |
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| 18. | foul water sewer |
| 阴沟|下水道 |
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| 19. | Sewerage Construction Division |
| 下水道建设课 |
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| 20. | sublacustrine channel |
| 【地质】湖下水道 |
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