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| sondage en cours | |||
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| faire un sondage | |||
| creuser un trou de mine | |||
| faire de l'avancement; réaliser un puits | |||
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бурящаяся скважина : 8 phrases in 3 subjects |
| Geology | 2 |
| Mining | 2 |
| Oil and gas technology | 4 |
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