corundum的意思和读音

corundum

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n.1.a hard mineral form of alumina that crystallizes in a range of colors.

1. Pyrrhotite Corundum Vivianite ...

3. corrugated sheet glass corundum cost of ownership ...

4. corundum corundum Corvus ...

8. Corundite corundum , costume jewelry

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1.A fine-grained impure corundum used for grinding and polishing.

2.The company mainly produces high-grade sand F, P sand and refractory materials, with an annual output of one million tons of sand corundum.F、P

3.In an ultrabasic rocks in North Jiangsu, corundum was first discovered and some was up to gem grade.

4.A clear, hard variety of corundum used as a gemstone that is usually blue but may be any color except red.

5.Minerals in the residues including mullite, corundum, quartz, and a trace amount of calcite and K-feldspar.

6.It introduces process control point of chrome corundum permeable brick and its application in smelting ferroalloys.

7.Corundum, any color other than red, is called "sapphire. "』。

8.Corundum ball is a type of alumina ball, because of its high content of alumina; it is also referred to as alumina ball.

9.Our company exports white corundum products perennially to Japan, Korea, Europe and the United States and other countries and regions.

10.to the corundum structure except that the cations are of two different types.