The world famous Koh-i-noor diamond accentuates the grandeur of the crown of Britain's Queen Elizabeth, the Queen Mother.
全球闻名的光之山钻石皇冠向世人展现了伊丽莎白皇后母亲的庄严。
The Cullinan mine has also produced what is still the largest rough gem in the world-the whopping 3,106-carat Cullinan diamond-parts of which adorn England's Crown Jewels.
库里南钻矿曾出产过世界上最大的宝石原石-巨大的3,106克拉的“库里南钻”-其中一部分成为英格兰王冠的装饰。
The Cullinan mine has also produced what is still the largest rough gem in the world-the whopping 3, 106-carat Cullinan diamond-parts of which adorn England's Crown Jewels.
库里南钻矿曾出产过世界上最大的宝石原石-巨大的3,106克拉的“库里南钻”-其中一部分成为英格兰王冠的装饰。
On the basis of that the diamonds distribute in the impregnated bit homogeneously, the article calculates the cutting depth and the normal force on the protrusion diamond on the crown.
本文以金刚石在孕镶钻头中均匀分布为基础，从理论上推导出唇面径向不同位置的金刚石切深、受力。
Test results show diamond enhanced tungsten carbide composite spherical crown button bits are the ideal bits in drilling cobble and gravel formation.
试验表明金刚石—硬质合金复合球齿钻头是一种理想的钻进卵砾石层的钻头。
Double cone crown profile, medium size diamond cutters.
双锥形冠部，选用中等粒度金刚石切削齿。
His story about the detective Sherlock Holmes - The Blue Diamond, The Emerald Crown, The Norwood Mystery and The Sign of Four are also available in the Bookworms series.
本系列同时收录了四个由他创作的夏洛克·福尔摩斯探案的故事——《蓝色宝 石》、《绿玉王冠》、《诺伍德谜案》和《四签名》。
His story about the detective Sherlock Holmes - The Blue Diamond, The Emerald Crown, The Norwood Mystery and The Sign of Four are also available in the Bookworms series.
本系列同时收录了四个由他创作的夏洛克·福尔摩斯探案的故事——《蓝色宝 石》、《绿玉王冠》、《诺伍德谜案》和《四签名》。
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