abrasive powder

基本解釋

Due to extremely slow speed, should select a very fine abrasive powder to extract the coffee.
由于速度極慢，應(yīng)選取研磨得極細(xì)的咖啡粉來(lái)萃取。
Natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made up.
砂布、砂紙及以其他材料為底的類似品，不論是否裁切、縫合或用其他方法加工成形。
www.china-customs.com
The radiation damage can be recovered completely at 400℃ for the abrasive powder, and at 355℃ for the crystallite.
單晶研粉的輻照損傷在400℃完全恢復(fù)，微晶的在355℃完全恢復(fù)。