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超精细金刚石（ＵＤＤ）粉是利用爆炸法人工合成的具有实用价值的纳米材料，它具有一系列特殊的物理及化学特性，本文针对车用内燃机磨合特点，并利用ＵＤＤ的特殊性能，研制一种高效专用内燃机磨合油。
Ultrafine diamond (UDD) powder is a practical synthetic nanomaterial synthesized by explosive method. It has a series of special physical and chemical properties. In this paper, based on the characteristics of UDD and the special properties of UDD, Efficient special internal combustion engine grinding oil.