以下为句子列表：
英文: We added the La—Ce oxide into the liquid iron treated with the Mg—Si nodulizer and then, made the simulated experiment in the SG—8— mode heat Preservation furnace to the solidifying condition of hearty section castings.
中文: 在Mg-Si球化剂处理的铁水中加人La-Ce氧化物。 然后在SG -8- 型保温炉中按大断面铸件凝固条件进行模拟性抗衰退保温试验。
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