сероводород: 43 phrases in 11 subjects |
Chemistry | 4 |
Construction | 1 |
Electrochemistry | 1 |
Food industry | 1 |
Geology | 1 |
Medical | 1 |
Metallurgy | 1 |
Natural resourses and wildlife conservation | 1 |
Oceanography & oceanology | 1 |
Oil / petroleum | 29 |
Oil and gas | 2 |