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用四川冕宁产稀土硅铁合金为主的蠕化剂 ,在冲天炉熔炼条件下实现了批量制取蠕铁钢锭模的稳定生产。
Using Mianning Mianning rare earth ferrosilicon alloy-based vermiculite, the cupola melting conditions to achieve a batch production of vermicular iron ingot mold stable production.