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| borer | |||
| spudder | |||
| bit core; first bit; integral pilot (fest mit der Hauptbohrkrone verbunden); pilot bit; trial bit | |||
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| pilot drill-bit | |||
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| to pre-drill | |||
| hole (Schieferplatte) | |||
| prebore; predrill; rough-bore; rough-drill | |||
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| predrill; rough drilling | |||
| pilot drilling; pre-drilling | |||
| pre-drill | |||
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Vorbohrer : 3 фрази в 2 тематиках |
| Гірнича справа | 1 |
| Медична техніка | 2 |