| |||
conny; coom | |||
crushed coal | |||
rice coal | |||
culm; drossy coal; fracture of coal; slack; small coal | |||
| |||
culm |
碎煤: 56 phrases in 10 subjects |
Chemistry | 3 |
Earth sciences | 2 |
Electronics | 6 |
Engineering geology | 1 |
General | 4 |
Geology | 1 |
Metallurgy | 6 |
Oil / petroleum | 2 |
Rail transport | 2 |
Technology | 29 |