 |
| |||
| sub-bituminous coal (coroma.ru estherik) | |||
| black lignite; straight coal; lower grade bituminous coal | |||
| subbituminous coal | |||
| суббитуминозный уголь: 1 phrase in 1 subject |
| Energy industry | 1 |
|
| |||
| sub-bituminous coal (coroma.ru estherik) | |||
| black lignite; straight coal; lower grade bituminous coal | |||
| subbituminous coal | |||
| суббитуминозный уголь: 1 phrase in 1 subject |
| Energy industry | 1 |