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| тонкий слой грязи | |||
| разжиженный буровой раствор (MichaelBurov) | |||
| жидкий буровой раствор | |||
| thin mud: 3 phrases in 3 subjects |
| Geology | 1 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
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