 |
| |||
| out-of-gage bit (MichaelBurov); out-of-gauge bit (MichaelBurov) | |||
| dull bit | |||
| dulled bit; worn bit | |||
| сработанное долото: 12 phrases in 5 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 2 |
|
| |||
| out-of-gage bit (MichaelBurov); out-of-gauge bit (MichaelBurov) | |||
| dull bit | |||
| dulled bit; worn bit | |||
| сработанное долото: 12 phrases in 5 subjects |
| Metallurgy | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 2 |