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dandered coal | |||
carbonite | |||
native coke; natural coke | |||
blind coal; burnt coal (炭); cinder coal; cokeite; mineral coke; natural coal | |||
| |||
natural coke; carbonite; native coke; mineral coke | |||
| |||
carbonite |
天然焦 : 7 phrases in 6 subjects |
Architecture | 1 |
Drilling | 1 |
Ecology | 1 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Technology | 1 |