西門子 xīménzǐ Siemens Definitions Defs Origin Strokes Stroke Words Sentences Sents 西门子公司 xīménzǐgōngsī Siemens Siemens AG; a large German industrial manufacturing and technology conglomerate西门子马丁炉 xīménzimǎdīnglú open-hearth furnace Siemens-Martin furnace, a metallurgical furnace used for steelmaking with a shallow hearth and heat recovery system
