钢钎 gāngqiān drill rod Definitions Defs Origin Strokes Stroke Words Sentences Sents 钢 鋼 gāng noun steel steel; an alloy of iron and carbon that is tougher than cast iron and harder than wrought iron钎 釺 qiān drill (bound form) a steel drill used for boring through rock, stone, or concrete; a pneumatic drill
