polycrystal alumina.
多晶氧化铝
Analysis of Dislocation Density on the Cell Walls of Deformed Copper Polycrystal.
形变铜多晶体的胞壁位错分析
The present invention introduces transparent polycrystal used as luminous panel substrate in CRT.
本发明介绍用透明多晶体作阴极射线管发光面板的基片。
As a sort of grains, the polycrystal diamond has more cutting edges and so it has higher abrasive efficiency.
作为磨粒, 多晶体金刚石具有更多的切削刃, 切削效率高。
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