 |
| |||
| определение углерода | |||
| carbon determination: 5 phrases in 4 subjects |
| Analytical chemistry | 1 |
| Makarov | 2 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| определение углерода | |||
| carbon determination: 5 phrases in 4 subjects |
| Analytical chemistry | 1 |
| Makarov | 2 |
| Metallurgy | 1 |
| Natural resourses and wildlife conservation | 1 |