试题与答案

对盛钢桶内进行喷粉处理(TN或SL)的主要作用()。 A.均匀成份 B.调节温度 C

题型:单项选择题

题目:

对盛钢桶内进行喷粉处理(TN或SL)的主要作用()。

A.均匀成份

B.调节温度

C.脱硫及改变夹杂物形态

D.调整钢液粘度

答案:

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参考答案:1/N(K=0~N-1)∑X(k)WN^-kn;1/N[(K=0~N-1)∑X*(k)WN^kn]*

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