 |
| |||
| key in; key on; key on a shaft | |||
| key | |||
| закреплять шпонкой: 3 phrases in 3 subjects |
| Mechanic engineering | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |
|
| |||
| key in; key on; key on a shaft | |||
| key | |||
| закреплять шпонкой: 3 phrases in 3 subjects |
| Mechanic engineering | 1 |
| Oil / petroleum | 1 |
| Oilfields | 1 |