高炉内还原过程()温度范围是间接还原与直接还原的共存区。
A、570~800℃
B、800~900℃
C、800~1100℃
D、1100℃
参考答案:C
--- Good morning, Madam. Can I help you?
--- I’d like for cooking vegetables.
A. two cups of tea B. three pieces of bread C. five kilos of oil
“利润最大化”作为财务管理目标的合理之处和缺陷是什么?