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| rotary drilling rig | |||
| роторная буровая: 34 phrases in 8 subjects |
| Chemistry | 1 |
| Construction | 1 |
| Drilling | 1 |
| Mining | 1 |
| Oil / petroleum | 19 |
| Oil and gas | 5 |
| Oil and gas technology | 2 |
| Technology | 4 |
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