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| дуальная струна | |||
сдвоенная колонна (НКТ; (искать dual string)  oilforum.ru irksibrus1) | |||
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dual-string : 22 phrases in 10 subjects |
| General | 1 | Oil / petroleum | 3 | Sakhalin | 7 |
| Gyroscopes | 1 | Oil and gas | 1 | Technology | 4 |
| Information security and data protection | 1 | Oil and gas technology | 1 | ||
| Nuclear physics | 1 | Oilfields | 2 |