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forage de puits | |||
sondage de puits | |||
fonçage m | |||
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ouverture des puits; perçage des puits; forage des puits |
well drilling : 17 phrases in 9 subjects |
Coal | 5 |
Industry | 1 |
Life sciences | 1 |
Metallurgy | 4 |
Mining | 1 |
Natural resourses and wildlife conservation | 2 |
Oil / petroleum | 1 |
Transport | 1 |
United Nations | 1 |