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| drilling advance | |||
| bit feed; cutting rate; cutting speed; drilling progress; drilling rate; feed rate; forward speed; making hole (im allgemeinen je Tag); penetration advance; penetration feed; penetration rate; penetration speed; piercing speed (beim Düsenstrahlbohren); production piercing rate; rate of advance; rate of feed; rate of penetration | |||
| Bohrfortschritt: 5 phrases in 2 subjects |
| Metallurgy | 1 |
| Mining | 4 |