Read Edit View history 马丁炉 Mǎdīnglú open hearth Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 马丁炉/馬丁爐 · Mǎdīnglú · open hearth 2026/03/04 马丁炉 / 馬丁爐 Mǎdīnglú open hearth A reverberatory furnace used for steelmaking, specifically associated with the Siemens-Martin process. 工厂里的马丁炉正在炼钢。 noun created sense Mar 4, 2026, 02:25 AM