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| смолистый бурый уголь | |||
| битуминит | |||
| битуминозный уголь; смолистый уголь; смолистый каменный уголь; смоляной уголь | |||
| 沥青 煤: 43 phrases in 7 subjects |
| Chemistry | 2 |
| Drilling | 1 |
| Electronics | 1 |
| General | 10 |
| Geology | 5 |
| Oil processing plants | 6 |
| Technology | 18 |
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