The result shows that used sand reduces properties of oil bonded sand.

结果表明，植物油旧砂的使用将在一定程度上恶化油砂性能。

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High voltage blasting lets the used sand to be under boiling state, therefore best cooling effect can be reached.

高压鼓风使旧砂处于沸腾状态，达到最佳冷却效果。

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This paper is concerned with the basic principle and features of a new-type used sand reclaiming outfit with spiral vibration.

阐述了新型螺旋振动旧砂再生成套装置的基本原理和特点，介绍了成套装置的组成、生产使用情况和良好的效果。

youdao

But, lacking good construction materials, they used sand.

ECONOMIST: The Aral Sea

About 10, 000 gallons goes down a well--less than 1% of the 1 million gallons of water and 1 million pounds of sand used.

FORBES: Energy

Across the bay, fancy yachts and speed boats crowd the shores of the Ilha, a once almost deserted strip of sand used mainly by poor fishermen, on which smart restaurants and nightclubs for the new elite are now springing up.

ECONOMIST: The oil money may start to trickle down