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| water measurement; water-level measurement | |||
| water-level calibration | |||
| water stage measurement | |||
| water-stage measurement | |||
| измерение уровня воды: 6 phrases in 5 subjects |
| Electronics | 1 |
| Energy industry | 2 |
| Hydraulic engineering | 1 |
| Mining | 1 |
| Oceanography & oceanology | 1 |