 |
wear due to rolling
| and
| sliding friction
| wear due to rolling | |
| gen. | износ при качении |
| and | |
| gen. | и; а |
| sliding friction | |
| tech. | трение первого рода |
| |||
| износ при качении | |||
| wear due to rolling: 2 phrases in 1 subject |
| General | 2 |