提高砂带速度、工件转速以及增大砂带磨粒粒度可有效地提高花岗岩的磨削效率。

With the increase of grinding speed or the abrasive grain size of the grinding belt, the grinding rate increases.

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它通过设置在带材轧机上的无驱动式杯形磨辊装置，对轧制中工作辊表面进行在线磨别，以保证轧辊保持良好的轨型。

The work roll surface can be ground on-line by a non-driven cup type of on-line Roll Grinder(ORG) installed in a strip mill to maintain the appropriate roll shape.

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青藏高原南缘前陆盆地中的磨拉石主要沉积在小喜马拉雅带和次喜马拉雅带中，次之出现在冲积平原带。

Cenozoic molasse at the south edge of Qinghai-Tibetan Plateau was mostly deposited in the zones of Lesser-Himalaya and Sub-Himalaya, others in Alluvial Plain zone.

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