 |
| |||
| coal blend; duff coal; coal mixture; mixed coal | |||
| 混合煤: 76 phrases in 13 subjects |
| Bioenergy | 1 |
| Chemistry | 2 |
| Construction | 2 |
| General | 2 |
| Metallurgy | 30 |
| Oil / petroleum | 2 |
| Oil processing plants | 3 |
| Shipbuilding | 2 |
| Space | 1 |
| Steel production | 1 |
| Technology | 28 |
| Textile industry | 1 |
| Water resources | 1 |