他们粉碎工业用钻石来制造研磨粉。

They crushed bort to create abrasive powders.

粉末涂料是一种颜料和干粉末树脂的细研磨粉粒的混合物，是一种当今使用的最新表面处理技术。

Power coatings, the mixture of fine milling powders of pigment and dry power of resins, are the latest technology for surface treatment currently used today.