 |
| |||
| heavy fuel oil | |||
| heavy oil (сырьё для газификации) | |||
| low-grade oil | |||
| black oil | |||
| heavy oils | |||
| unrefinable crude | |||
| heavy crude; low-gravity oil; unstripped oil (не пригодная для переработки); low API gravity oil | |||
| unrefinable crude oil (не пригодная для переработки); heavy crude oil; heavy oil | |||
| тяжёлая нефть: 56 phrases in 9 subjects |
| Chemistry | 5 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 14 |
| Oil and gas | 22 |
| Oil and gas technology | 4 |
| Oil processing plants | 2 |
| Technology | 6 |