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| box connector (секции водоотделяющей колонны для стыковки с другой секцией) | |||
| lock coupling (Yeldar Azanbayev) | |||
| муфта замка: 24 phrases in 9 subjects |
| Automobiles | 1 |
| Drilling | 5 |
| Oil / petroleum | 6 |
| Oil and gas | 1 |
| Oil and gas technology | 6 |
| Oilfields | 2 |
| Production | 1 |
| Sakhalin | 1 |
| Technology | 1 |