 |
| |||
| aceite de alquitrán; petróleo m | |||
| aceite de hulla | |||
| coal oil: 6 phrases in 6 subjects |
| Accounting | 1 |
| Bioenergy | 1 |
| General | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Transport | 1 |
|
| |||
| aceite de alquitrán; petróleo m | |||
| aceite de hulla | |||
| coal oil: 6 phrases in 6 subjects |
| Accounting | 1 |
| Bioenergy | 1 |
| General | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Transport | 1 |