碳钢 tàngāng carbon steel Definitions Defs Origin Strokes Stroke Words Sentences Sents 碳 tàn noun carbon nonmetallic element (C); the essential component of organic matter, existing in nature as diamond, graphite, and coal钢 鋼 gāng noun steel steel; an alloy of iron and carbon that is tougher than cast iron and harder than wrought iron
