any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive.
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Since the light transmitting member and the abrasive substrate are fused together as an integrated unit, slurry does not leak to the rear side of the abrasive pad during the abrasive pad used.
由于透光组件和研磨基底熔合在一起作为集成单元,研磨垫在使用期间,浆料不会渗漏到研磨垫的背面。
They have formed an industrial system covering over 20 categories such as aluminum processing, construction materials, food, abrasives, abrasive tools, cement, medicine, new materials and so on.
形成了铝及铝加工业、建材、食品、磨料磨具、水泥、医药、钎具、新材料等涵盖二十多个门类的工业体系。
Mechanical graining: Mechanically roughening the surface of a metal sheet by means of abrasive powders, sand bursting, etc, for use as an offset plate.
机械磨版:用磨擦粉剂,喷沙等机械方法把金属片的表面造成粗糙,适合为柯式印刷。
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