上海勝(sheng)緒(xu)電(dian)氣SRY6-2護套式電(dian)加(jia)熱(re)器電(dian)加(jia)熱(re)器與被加(jia)熱(re)油液接(jie)觸(chu)面(mian)積大，表面(mian)熱(re)功率小，不(bu)結碳(tan)，油液不(bu)會(hui)因(yin)局部高溫而碳(tan)化。使(shi)用壽(shou)命長，安(an)全、可靠(kao)。：
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