kivihiili | |
econ. | charbon |
energ.ind. coal. | charbon mat; houille anthraciteuse; houille dure; houille et anthracite |
energ.ind. industr. | houille |
environ. | anthracite |
heikosti: 13 phrases in 8 subjects |
Antennas and waveguides | 1 |
Chemistry | 1 |
Coal | 1 |
Earth sciences | 1 |
Environment | 5 |
Immigration and citizenship | 1 |
Life sciences | 2 |
Transport | 1 |