| |||
| frottement superficiel | |||
|
surface-friction : 9 phrases in 7 subjects |
| Chemistry | 1 |
| General | 1 |
| Materials science | 3 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Transport | 1 |
| |||
| frottement superficiel | |||
|
surface-friction : 9 phrases in 7 subjects |
| Chemistry | 1 |
| General | 1 |
| Materials science | 3 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Transport | 1 |