耐火銅(tong)芯護套(tao)軟(ruan)電纜是在無縫金屬(shu)管(guan)(碳鋼管(guan)、鈦管(guan)、不銹(xiu)鋼管(guan)、銅(tong)管(guan))內放入電熱絲,并在空隙部(bu)分緊(jin)密地填充有良(liang)好的導熱性(xing)和絕(jue)緣性(xing)的結晶氧(yang)化鎂,電熱絲兩(liang)端(duan)是通過兩(liang)個引出棒(bang)與電源相接(jie),空隙部(bu)分填滿有良(liang)好導熱性(xing)和絕(jue)緣性(xing)的氧(yang)化鎂粉后(hou)縮管(guan)而成,再加工成...