бурый уголь: 61 phrases in 16 subjects |
Agriculture | 1 |
Agrochemistry | 1 |
Automobiles | 1 |
Cement | 2 |
Drilling | 1 |
General | 2 |
Geology | 16 |
Makarov | 3 |
Mining | 4 |
Natural resourses and wildlife conservation | 2 |
Oil / petroleum | 4 |
Oilfields | 1 |
Petrography | 1 |
Technology | 9 |
Thermal engineering | 6 |
Trademark | 7 |