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| водомерный колодец | |||
| измерительный колодец (гидрометрического лотка) | |||
| measuring well: 9 phrases in 6 subjects |
| Hydraulic engineering | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Technology | 2 |
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