刚玉

• Attck less than brown fused alumina
  比棕刚玉腐蚀的少
• What size of ruby do you have
  你有什么规格的红刚玉
• Pure corundum is colourless
  。纯刚玉是无色的。
• The black aluminium oxide abrasive
  黑刚玉砂简介
• Research and development of high - quality gemstone crystals grown by hydrothermal method
  刚玉类和绿柱石类宝石晶体
• Corundum oligoclase pegmatite
  刚玉奥长伟晶岩
• Determination of al2o3 in alundum powder by complexometric titration
  刚玉粉中三氧化二铝的络合滴定-氟化物释放测定法
• Chrome - corundum - spinel brick
  铬刚玉尖晶石砖
• Dilatable high alumina bricks
  微膨胀刚玉砖
• Effects of - al2o3 nano - powder additions on sintering of high purity corundum brick
  3纳米粉对高纯刚玉砖烧结性能的影响