 |
| |||
| chisel bit; chisel-shaped bit; chopping bit; chisel-shaped bit bit | |||
| wire-line drilling bit (MichaelBurov) | |||
| spud drilling bit (для ухода в сторону от основного ствола); percussion wire-line drilling bit | |||
| cable drill bit; cable drilling bit; percussion-drilling bit; wireline drilling bit | |||
| cable-drilling bit | |||
| ударное буровое долото: 20 phrases in 5 subjects |
| Makarov | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 5 |
| Oilfields | 5 |
| Technology | 2 |