 |
| |||
| N-bit | |||
| diamond crown; diamond tool; diamond-set tool | |||
| diamond bit; diamond crown bit; diamond-drilling bit | |||
| diamond head; diamond drill bit | |||
| алмазная буровая коронка: 33 phrases in 6 subjects |
| Construction | 3 |
| Drilling | 2 |
| Makarov | 1 |
| Mining | 19 |
| Oil / petroleum | 7 |
| Oil and gas technology | 1 |