Việt
vỉa than đá
tầng than
Anh
coal bed
coal measures
coal seam
coal pit
pit coal
Đức
Steinkohlenschicht
Kohlenflöz
Kohlenflöz /das (Bergbau)/
vỉa than đá; tầng than;
coal bed, coal measures, coal seam
coal bed, coal pit, coal seam, pit coal
Steinkohlenschicht /f/THAN/
[EN] coal bed
[VI] vỉa than đá