 |
| распределение частиц по размерам: 7 phrases in 5 subjects |
| Chemistry | 1 |
| Medical appliances | 1 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Silicate industry | 3 |
|
| распределение частиц по размерам: 7 phrases in 5 subjects |
| Chemistry | 1 |
| Medical appliances | 1 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Silicate industry | 3 |