 |
| |||
| controlled angle drilling | |||
| control angle drilling; controlled drilling; controlled-angle drilling; controlled directional drilling | |||
| controlled-angle drilling (скважин и каналов подземного газогенератора) | |||
|
| |||
| controlled angle drilling | |||
| control angle drilling; controlled drilling; controlled-angle drilling; controlled directional drilling | |||
| controlled-angle drilling (скважин и каналов подземного газогенератора) | |||