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| English thesaurus | |||
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| TDV | |||
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True Depth : 49 phrases in 13 subjects |
| Dentistry | 1 |
| Drilling | 4 |
| Geology | 1 |
| Geophysics | 7 |
| Oil / petroleum | 8 |
| Oil and gas | 5 |
| Oil and gas technology | 2 |
| Production | 1 |
| Sakhalin | 13 |
| Sakhalin A | 1 |
| Sakhalin R | 4 |
| Technology | 1 |
| Well control | 1 |