煤层气 méicéngqì coalbed methane Definitions Defs Origin Strokes Stroke Words Sentences Sents 煤层气 (煤層氣) méicéngqì coalbed methane noun Frequency Written text 1.25 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
煤层气 (煤層氣) méicéngqì coalbed methane noun Frequency Written text 1.25 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
