特とく殊しゅ鋼こうとくしゅこうMeanings1nounspecial steelTechnical term for steel with enhanced properties (e.g., alloy steel, tool steel) used in demanding applications.この部ぶ品ひんには特とく殊しゅ鋼こうが使つかわれている。Special steel is used for this part.
