 |
| |||
| drilling; boring; drilling method; boring method | |||
| drilling system; drilling technique; method of boring (drilling); system of drilling | |||
| Bohrverfahren: 14 phrases in 4 subjects |
| Construction | 3 |
| Metallurgy | 1 |
| Mining | 7 |
| Natural sciences | 3 |
|
| |||
| drilling; boring; drilling method; boring method | |||
| drilling system; drilling technique; method of boring (drilling); system of drilling | |||
| Bohrverfahren: 14 phrases in 4 subjects |
| Construction | 3 |
| Metallurgy | 1 |
| Mining | 7 |
| Natural sciences | 3 |