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обрушение стенок
| скважины
| обрушение стенки | |
| tech. | wall caving |
| скважина | |
| gen. | chink; crack; aperture; peep; rift; interstice |
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| wall caving | |||
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| wall caving (выработки) | |||
| обрушение стенок: 25 phrases in 8 subjects |
| Makarov | 1 |
| Mining | 3 |
| Oil / petroleum | 5 |
| Oil and gas | 4 |
| Oil and gas technology | 6 |
| Oilfields | 1 |
| Sakhalin | 3 |
| Technology | 2 |