 |
| |||
| creux du filet; encoche entre les spires | |||
| fond du filet; racine de filet | |||
| racine du filet | |||
| впадина резьбы: 6 phrases in 2 subjects |
| Mechanic engineering | 5 |
| Technology | 1 |
|
| |||
| creux du filet; encoche entre les spires | |||
| fond du filet; racine de filet | |||
| racine du filet | |||
| впадина резьбы: 6 phrases in 2 subjects |
| Mechanic engineering | 5 |
| Technology | 1 |