![]() |
| |||
coalball | |||
briquette | |||
artificial coal; briquet; ovoid briquette | |||
| |||
bead |
煤球 : 37 phrases in 8 subjects |
Earth sciences | 1 |
Electronics | 3 |
Explosives and Explosive Ordnance Disposal | 7 |
Geophysics | 1 |
Metallurgy | 3 |
Oil / petroleum | 1 |
Technology | 20 |
Tennis | 1 |