 |
| |||
| oil-emulsion drilling fluid (Yeldar Azanbayev); oil-emulsion drilling mud (Yeldar Azanbayev) | |||
| нефтеэмульсионный промывочный буровой раствор: 1 phrase in 1 subject |
| Oil / petroleum | 1 |
|
| |||
| oil-emulsion drilling fluid (Yeldar Azanbayev); oil-emulsion drilling mud (Yeldar Azanbayev) | |||
| нефтеэмульсионный промывочный буровой раствор: 1 phrase in 1 subject |
| Oil / petroleum | 1 |