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研究了在实验室条件下用FeSi升温钢液时钢中P、S含量的变化及其对氧化铝和氧化镁坩埚的侵蚀，探讨了减少回磷、回硫的条件和减少对氧化镁坩埚侵蚀的工艺措施。
The change of P and S content in steel and the erosion of alumina and magnesia crucibles were studied under the condition of FeSi heated in laboratory. The conditions of reducing P and S were discussed and the effects on the corrosion of magnesia crucible Process measures.