试题与答案

影响LF精炼炉脱氧剂消耗的因素有（）。 A.转炉终点钢中氧含量 B.转炉出钢过程是否

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题型：多项选择题

题目：

影响LF精炼炉脱氧剂消耗的因素有（）。

A.转炉终点钢中氧含量

B.转炉出钢过程是否下渣

C.出钢后钢液面是否裸露

D.LF炉强搅拌时间长短

E.LF炉成分控制是否合适

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A解析：阿米卡星有抗铜绿假单胞菌及其他假单胞菌属、大肠杆菌、变形杆菌等作用，对厌氧菌无抗菌活性。

考点：炉外精炼工初级炉外精炼工初级炉外精炼工题库
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     My name is Dan and I have two good friends, Nick and Robert.Robert and I are twelve years old.

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C.1995

D.1998

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4.What events do they have at Robert's school?

A. Art Festival.

B. Music Festival.

C. Art Festival and Music Festival.

D. Art Festival and school trip.

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