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- 墨金刚石一种不透明的或深色的钻石,用作钻(头)
A form of opaque or dark-colored diamond used for drills.
- 下等金刚石结晶很差的金刚石,用于工业切割和研磨
Poorly crystallized diamonds used for industrial cutting and abrasion.
- 似金刚石的具有金刚石的硬度或光泽的
Having the hardness or luster of a diamond.
- 在钻机的金刚钻头旋转的时候,泥浆便进行了润滑。
As the diamond tip of the drill revolves, it is lubricated by mud.
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌