удаление серы: 23 phrases in 11 subjects |
Biotechnology | 1 |
Chemical industry | 1 |
Chemistry | 2 |
Energy industry | 3 |
Makarov | 2 |
Metallurgy | 1 |
Natural resourses and wildlife conservation | 6 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Technology | 1 |
Textile industry | 2 |