耐火銅(tong)芯護(hu)套軟電(dian)纜(lan)是(shi)在無縫金屬管(guan)(碳鋼管(guan)、鈦管(guan)、不銹鋼管(guan)、銅(tong)管(guan))內放入(ru)電(dian)熱(re)絲(si),并(bing)在空隙部(bu)分緊密地填(tian)充有(you)良(liang)好的(de)導(dao)熱(re)性(xing)和(he)絕緣性(xing)的(de)結晶氧化鎂(mei),電(dian)熱(re)絲(si)兩(liang)端是(shi)通過(guo)兩(liang)個引(yin)出(chu)棒與電(dian)源(yuan)相接,空隙部(bu)分填(tian)滿有(you)良(liang)好導(dao)熱(re)性(xing)和(he)絕緣性(xing)的(de)氧化鎂(mei)粉后縮管(guan)而成,再(zai)加(jia)工成...