炉渣 lúzhā cinder Definitions Defs Origin Strokes Stroke Words Sentences Sents 炉渣 爐渣 lúzhā cinder clinkers or ashes left over after burning coal in a furnace slag impurities formed during the smelting of metal, often used to manufacture cement or fertilizer
炉渣 爐渣 lúzhā cinder clinkers or ashes left over after burning coal in a furnace slag impurities formed during the smelting of metal, often used to manufacture cement or fertilizer
