在工业生产条件下，通过添加不同的稀土元素和合金元素进行正交试验及板坯轧制对比试验。
In the condition of industrial production, orthogonal test and slab rolling comparison test were had by adding different rare earth element and alloying element.
在工业生产条件下，通过添加不同的稀土元素和合金元素进行正交试验及板坯轧制对比试验。
In the condition of industrial production, orthogonal test and slab rolling comparison test were had by adding different rare earth element and alloying element.
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