a diamond in the rough

 
       
  • 天然金刚石

a diamond in the rough的用法和样例:

例句

  1. In this paper, the high performance of diamond film coated tools were expounded by testing the property of diamond film coating with SEM and comparision with natural diamond.
    用扫描电镜等方式检测金刚石镀膜的性能,并与天然金刚石的相关参数进行比较,阐明了金刚石涂层刀具的优异性能。

a diamond in the rough的相关资料:

临近单词

目录
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