| |||
| треугольная резьба | |||
| |||
| треугольная резьба | |||
|
vee-thread : 3 phrases in 3 subjects |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Technology | 1 |
| |||
| треугольная резьба | |||
| |||
| треугольная резьба | |||
|
vee-thread : 3 phrases in 3 subjects |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Technology | 1 |