1. a gray mineral consisting of cobalt arsenide and nickel; an important source of cobalt and nickel. 
   一种灰色矿物，由砷化钴和镍组成，是钴和镍的重要来源。
2. A rare silver-white to gray mineral, cobalt sulfarsenide, CoAsS, that is a cobalt ore and is used in ceramics. 
   砷钴矿一种银白色到灰色的稀有矿物，硫化砷钴，coass，是一种钴矿石，用于陶瓷
3. rare earth-cobalt hard magnetic alloys 
   稀土钴硬磁合金
4. nickel and cobalt industry in China 
   中国镍、钴工业
5. rare-earths-cobalt permanent magnetic material 
   稀土钴永磁材料

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• 1. 辉砷钴矿
  Gray clay treating 格雷白土处理法...gray cobalt 辉砷钴矿...Gray code 葛莱码; 格雷编码; 格雷码
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