environmental protection technology alteration

 
  • 环保技改

environmental protection technology alteration的用法和样例:

例句

  1. The necessity for technical transformation of present high grade nickle matte refining technology in Jinchuan Nonferrous Metals Complex is discussed.
    论述了金川有色金属公司现行高冰镍精炼工艺技改的必要性。

environmental protection technology alteration的相关资料:

临近单词

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