 |
| |||
| grain structure | |||
| структура зерна: 7 phrases in 5 subjects |
| Drilling | 1 |
| Materials science | 1 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 1 |
|
| |||
| grain structure | |||
| структура зерна: 7 phrases in 5 subjects |
| Drilling | 1 |
| Materials science | 1 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 1 |
| Transport | 1 |