| 释义 |
coal seam
Thesaurus| Noun | 1. | coal seam - a seam of coalseam, bed - a stratum of ore or coal thick enough to be mined with profit; "he worked in the coal beds"coalface - the part of a coal seam that is being cut |
coal seam
coal seam[′kōl ‚sēm] (geology) coal bed coal seam
Words related to coal seamnoun a seam of coalRelated Words |