 |
top wear
| drill collar sub
| top wear | |
| O&G, tengiz. | износ рельса вертикальный |
| drill collar sub | |
| O&G | переводник для УБТ |
| O&G, oilfield. | переводник для утяжелённых бурильных труб |
| drill-collar sub | |
| O&G | переводник для утяжелённых бурильных труб |
| |||
| износ рельса вертикальный (wear on the top of the railhead i.e. reduction of the railhead caused by the wheel tread - result of abrasive action between the steel wheel on the steel rail) | |||
| top wear: 3 phrases in 3 subjects |
| Automobiles | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |