上海勝緒電氣(qi)有限公司是將彎曲成型的管(guan)狀(zhuang)元件焊在法(fa)蘭上構成，直接(jie)放(fang)在油中(zhong)加熱，在我國石(shi)化，冶金行業中(zhong)已普遍使(shi)用。碳鋼、外(wai)表噴鍍高(gao)溫漆。SRY隔(ge)爆型管(guan)狀(zhuang)電加熱器(qi)
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