Bauxite is a mineral bearing rock often used in making aluminum. Though fairly common, bauxite supplies are rapidly decreasing as...
A. 项.Bauxite, alumina, and coal. B. 项.Bauxite, gold and mineral sands. C. 项.Crude oil, diamonds and liquefied natural gas. D. 项.Crude oil, alumina and coal. 相关知识点: 试题来源: 解析 [正确答案]:A 参考提示:本题为北语课程学习必答题,请认真复习课件,完成本题目...
Sintering or frittage is the process of compacting and forming a solid mass of material by heat or pressure without melting it to the point of liquefaction. Sintering happens naturally in mineral deposits or as part of a manufacturing process used with metals, ceramics, plastics, and other mater...
A. 项.Bauxite, alumina, and coal. B. 项.Bauxite, gold and mineral sands. C. 项.Crude oil, diamonds and liquefied natural gas. D. 项.Crude oil, alumina and coal. 相关知识点: 试题来源: 解析 [正确答案]:A 参考提示:本题为北语课程学习必答题,请认真复习课件,完成本题目...