採さい炭たんTop 45000MeaningsNounSuru verbTransitive verbIntransitive verb1. coal mining; coal extractionKanji used採collect炭charcoalPitch accentさいたんUsed in vocabulary採さい炭たん所じょcoal mineNoun長ちょう壁へき式しき採さい炭たんlongwall miningNoun