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coal seam
| cleaning
| coal seam | |
| coal. | couche de charbon; veine de charbon |
| met. | couche houillère |
| cleaning | |
| chem. | purification; rectification; détachage |
| construct. | épurant |
| forestr. | sarclage; extraction de menus bois |
| |||
| couche de charbon; veine de charbon | |||
| couche houillère | |||
| couche de houille | |||
| coal seam: 4 phrases in 2 subjects |
| Coal | 2 |
| Metallurgy | 2 |