上(shang)海勝緒(xu)電(dian)(dian)氣有限公司HRY4護套式電(dian)(dian)加熱(re)(re)器(qi)有加熱(re)(re)芯子(zi)和護套管(guan)組成,加熱(re)(re)芯子(zi)用(yong)管(guan)狀電(dian)(dian)熱(re)(re)元件(jian)為熱(re)(re)源,護套管(guan)用(yong)碳鋼管(guan)或(huo)不銹(xiu)鋼管(guan)制成,它散熱(re)(re)面積大、傳熱(re)(re)快,接(jie)線(xian)端子(zi)裝置部分分為普通(tong)型采(cai)用(yong)鐵制拉(la)伸(shen)杯子(zi)型罩殼。
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