preparation of coal

 
  • 选煤

preparation of coal的用法和样例:

例句

  1. Jigging separation plays a very important part in coal preparation, it is very important to improve the precision of separation.
    跳汰选煤在选煤中占有重要地位,提高跳汰机的产品分离精度,一直是个重要的研究方向。

preparation of coal的相关资料:

临近单词

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