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| 洋井; 机井; 管式井; 管井管式井; 抽水深井 | |||
| 管井; 泵管 (基础工程) | |||
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трубчатый колодец : 9 phrases in 4 subjects |
| Construction | 3 |
| Electronics | 2 |
| General | 2 |
| Military | 2 |
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