上海(hai)勝緒電(dian)氣有(you)限公司是將彎曲成型(xing)的管狀元件焊在法蘭上構成,直接放在油中(zhong)加熱,在我國石化(hua),冶金行業中(zhong)已(yi)普遍使用(yong)。碳鋼、外(wai)表噴鍍高溫漆。SRY隔爆型(xing)管狀電(dian)加熱器(qi)