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| 公用配水干管网 | |||
| 城市供应〔给水〕管网 | |||
| 公共供应管网 | |||
| 城市供应给水管网 | |||
| 城市供应管网 | |||
| 城市给水管网; 城市配水网; 城市供应干线; 城市供水管网; 城市给水干线; 给水干管 | |||
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