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- hrown corundum 棕刚玉
- A purple variety of corundum used as a gemstone. 紫蓝色宝石一种紫色刚玉，用作宝石
- Synthetic Corundum is one of our strong products. 合成刚玉是我们的一个强大的产品。
- A fine - grained impure corundum used for grinding and polishing. 刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
- A fine-grained impure corundum used for grinding and polishing. 刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
- A transparent deep red variety of corundum,used as a gemstone and in lasers. 一种透明的深红色刚玉，经雕琢后可用作宝石，亦可用于激光器。
- Relating to or designating corundum that resembles another stone in color. 刚玉的关于或表示在颜色上类似另一块石头的刚玉的
- Either way, these gems are among the most beautiful of the corundum family. 无论如何,粉红色的刚玉是最迷人美丽的宝石之一。
- We also can provide very good quality Corundum which rough is from Russia. 我们还可以提供很好的质量刚玉其中粗是来自俄罗斯。
- It is considered that the deposit is an anatectic migmatite corundum deposit. 研究认为，本矿床应属深熔型混合岩化作用成因，即“混合岩型”刚玉矿床。
- But this dies not necessarily imply that any corundum is a sapphire. 但这不必要地去世暗示任一刚玉是 青玉。
- Corundum may be the typical secondary minerals in the high-alumina fly ash. 刚玉可能是高铝粉煤灰中典型的次生矿物。
- Our permeable bricks for ladle are a kind of corundum product with non-oxide developed by beijing science and Technology University and our plant. 我厂生产的钢包透气砖是同北科大共同研究开发的非氧化物结合的刚玉质新产品。
- Any of various yellow gemstones, especially a yellow variety of sapphire or corundum. 黄宝石一种黄色的宝石，特别是黄色的刚玉宝石
- A deep red, translucent variety of the mineral corundum, highly valued as a precious stone. 红宝石:深红色、半透明刚玉矿产,因是珍稀宝石价值很高。
- Only red corundum is entitled to be called ruby, all other colours being classified as sapphires. 只有红色的刚玉可称为红宝石,其他任何颜色是命名为蓝宝石。
- Any of various yellow gemstones,especially a yellow variety of sapphire or corundum. 黄宝石一种黄色的宝石，特别是黄色的刚玉宝石
- It takes fifteen hours for the "corundum" (crystallized alumina) to form on the rod, somewhat like a stalagmite. 15小时后，棒上形成石笋状的“金刚砂”（氧化铝晶体）。
- Used for corundum bricks ,mullite bricks ,silicate bricks masonry in blast furnaces ,hot air stoves . 用于高炉、热风炉砌筑刚玉砖、莫来石砖、硅线石砖、低蠕变高铝砖。
- In this paper, diamond coated with corundum was used to fabricate resin matrix abrasive wheel for grinding PCD. 本文探讨了采用刚玉涂覆的金刚石制造树脂基砂轮的方法 ,并对比研究了采用不同表面状态的金刚石所制造的树脂砂轮用于磨削金刚石复合片的实验。
