整流器艾奇逊炉 RECTIFIER FOR ACHESON FURNACE

艾奇逊炉整流器 RECTIFIER FOR ACHESON FURNACE

艾奇逊电炉 [电] acheson furnace

整流器为艾奇逊炉 RECTIFIER FOR ACHESON FURNACE

艾奇逊石墨化炉 Acheson furnace

艾奇逊电阻炉 edward goodrich acheson electric resistance furnace

艾奇逊型石墨化炉 Acheson type graphitization furnace