Quartz sand is a major material for making glass and an indispensable nonmetal mineral product of building material industry.

石英砂是制造玻璃的重要原料，也是建材工业不可少的重要非金属矿产。

youdao

Drill cuttings are the major material for the studied samples.

研究的材料主要是钻井岩屑样品。

youdao

Coal is main mineral resources of China and major material in chemical industry.

煤炭是我国主要的能源矿产资源，也是重要的化工原料。

youdao

"This material doesn't just reveal abuses, this material describes the past six years of war, every major attack that resulted in someone being detained or someone being killed."

VOA: special.2010.07.31

And foreign-based companies, as well, that trade in the U.S. have to file with the SEC basic information and major material developments.

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Silicon, the major raw material used in the manufacture of solar panels, requires an energy-intensive process to turn it into solar-grade silicon.

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And the longer a major release of radioactive material is avoided, the chances increase that the reactors cool on their own.

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