 |
| |||
| углистый нагар; нагарообразование | |||
| закоксование; отложение угля; углистый осадок | |||
| 积碳: 30 phrases in 11 subjects |
| Automobiles | 2 |
| Chemistry | 1 |
| Electronics | 2 |
| General | 7 |
| Geology | 6 |
| Medical | 1 |
| Military | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 3 |
| Technology | 4 |