试题与答案

对于炼钢过程而言,其首要任务是()。A.脱磷、硫 B.脱氧 C.脱碳

题型:单项选择题

题目:

对于炼钢过程而言,其首要任务是()。

A.脱磷、硫

B.脱氧

C.脱碳

答案:

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