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| структура системы защиты | |||
| защитное сооружение (translator911) | |||
| противотраловая защита (Полностью: wellhead protection structure. Источник: goo.gl/fFJ2zi masizonenko) | |||
| структура резервирования (oleg.vigodsky) | |||
| protection structure: 25 phrases in 11 subjects |
| Bridge construction | 1 |
| Caspian | 1 |
| Construction | 7 |
| Ecology | 3 |
| Energy industry | 1 |
| Nanotechnology | 3 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 4 |
| Sakhalin | 1 |
| Technology | 2 |