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在冲天炉熔炼中将电石(CaC_2)配加在熔剂中,代替部分石灰石,可获得既能脱硫又能提高温度的作用。经过二十多炉的生产性试
In the cupola melting calcium carbide (CaC_2) with flux, instead of part of the limestone, can be both desulfurization and can increase the role of temperature. After more than 20 stoves production test