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буровая скважина | |||
ствол скважины | |||
скважина | |||
буровая скважина |
trou de forage: 21 phrases in 7 subjects |
Construction | 4 |
Mechanic engineering | 1 |
Medical appliances | 1 |
Mining | 3 |
Natural resourses and wildlife conservation | 2 |
Oil and gas technology | 5 |
Technology | 5 |