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| 给水管; 给水管道; 给水环管 | |||
| 上水管线; 给水管路给水管线 | |||
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трубопровод питательной воды : 10 phrases in 4 subjects |
| Electronics | 2 |
| Energy industry | 1 |
| General | 6 |
| Nuclear and fusion power | 1 |
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