| 1. | The water mains had numerous breaks, with the great majority of the breaks occuring in sand, silt, or filled ground .
自来水干线有许多处破裂，但绝大多数的破裂发生在砂地，淤泥地或回填土中。
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| 2. | Replacement and rehabilitation of water mains , stage 2
更换及修复水管工程第2阶段
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| 3. | Replacement and rehabilitation of water mains , stage i
更换及修复水管工程-第i阶段
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| 4. | No more picking up garbage , and no more water main
再也不用拣垃圾，修水管了
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| 5. | No more picking up garbage , and no more water main
再也不用拣垃圾，修水管了
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| 6. | The hotel that ' s doing our wedding had a water main break
负责婚礼的饭店排水系统坏了
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| 7. | No . see , we ' re in luck . it ' s just the water main
不，看，我们还是幸运的这里只是给水干管
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| 8. | Installation of ductile - iron water mains and their appurtenances
球墨铸铁总水管及附件的安装
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| 9. | Of the expected lifespan of the new water mains
新水管的预期寿命？
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| 10. | Let ' s talk about something else for a second , like this water main
谈点别的吧,这根主供水管
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