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单词 industrial diamond
释义

industrial diamond

noun
A small diamond, not of gem quality, used in abrasives and in cutting and drilling tools.Explosives carefully applied to carbon produce industrial diamonds for as cutting, grinding and polishing tools....
  • What they can do is lower the price of industrial diamonds (small, poor quality diamonds).
  • Katanga produced copper, 60% of the world's uranium and 80% of the world's industrial diamonds.
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更新时间:2025/1/11 8:33:49