 |
| |||
| seismic drop hammer | |||
| seismic hammer energy source; seismic hammer source; seismic hammer; seismic thumper; hammer | |||
| ударный сейсмический источник: 13 phrases in 3 subjects |
| Geophysics | 4 |
| Oil / petroleum | 2 |
| Technology | 7 |
|
| |||
| seismic drop hammer | |||
| seismic hammer energy source; seismic hammer source; seismic hammer; seismic thumper; hammer | |||
| ударный сейсмический источник: 13 phrases in 3 subjects |
| Geophysics | 4 |
| Oil / petroleum | 2 |
| Technology | 7 |