 |
| |||
| максимальная сила трения; полное трение | |||
| total friction: 8 phrases in 4 subjects |
| Construction | 4 |
| Firefighting and fire-control systems | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
|
| |||
| максимальная сила трения; полное трение | |||
| total friction: 8 phrases in 4 subjects |
| Construction | 4 |
| Firefighting and fire-control systems | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |