Phase analysis of series of samples showed that a small amount of Al 2 O 3 and 15R polytypoid existed in the high Z value samples.

 
  • 高Z值試樣殘余少量Al2 O3并伴生少量 15R相。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan