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| 偏离垂直线 | |||
| 偏离垂直方向 | |||
| отклонение от вертикали: 9 phrases in 5 subjects |
| Drilling | 2 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil processing plants | 3 |
| Technology | 2 |
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