| |||
| core drill | |||
| coring tool (Yeldar Azanbayev) | |||
| hollow bit; hollow drill bit; rotary core bit; core bit (полое долото для вырезания цельных кусков породы) | |||
| core bit | |||
| core barrel | |||
| core drill bit | |||
| core drill bit | |||
| coring bit | |||
| |||
| core barrel | |||
| |||
| core bit | |||
|
колонковое долото : 64 Phrasen in 8 Thematiken |
| Bauwesen | 1 |
| Bergbau | 2 |
| Bohren | 1 |
| Erdöl | 37 |
| Erdöl und Erdgas | 14 |
| Erdölindustrie | 3 |
| Makarow | 1 |
| Technik | 5 |