煤层 méicéng coal seam Definitions Defs Origin Strokes Stroke Words Sentences Sents 煤层 煤層 méicéng coal seam a layer of coal found between underground rock layers; coal bed Frequency Written text 2.03 per million Cross-References Same as 炭层 tàncéng Sources Frequency data BCC Corpus (BLCU)
煤层 煤層 méicéng coal seam a layer of coal found between underground rock layers; coal bed Frequency Written text 2.03 per million Cross-References Same as 炭层 tàncéng Sources Frequency data BCC Corpus (BLCU)
