A new kind of abrasive tool for polishing granite was developed.

研制了一种新型花岗石抛光磨具。

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The diamond abrasive tool has been widely used in the gem processing factory.

金刚石磨具已广泛用于宝石加工业。

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Liquid-magnetic abrasive tool finishing is a kind of new technology on precise surface finishing.

液体磁性磨具光整加工技术是一种新型的精密表面光整加工技术。

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