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| drilling unit; boring unit; boring rig | |||
| drilling installation; drilling installation The structural base upon which the drill rig and associated equipment is mounted during the drilling operation | |||
| drill (Zusammensetzungen s.a. unter drilling); drill rig; drilling apparatus; machine drill | |||
| drilling rig; land rig; land-drilling rig; oil rig; onshore rig; rig | |||
| Bohranlage: 22 phrases in 4 subjects |
| Chemistry | 1 |
| Metallurgy | 1 |
| Mining | 19 |
| Natural resourses and wildlife conservation | 1 |