Microstructure investigation showed that the zirconia and impurity phases were dispersed in the BN layer matrix.

 
  • 顯微結構分析表明,氧化鋯和雜質(zhì)相鑲嵌在氮化硼層狀基質(zhì)中。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan