基本解释

• [经济学]工业结构优化升级

英汉例句

双语例句

• Metal powder materials have great significance to promote the nonferrous metals industry and chemical industry to upgrade its technology and promote the optimization of the industrial structure.
  金属粉体材料对促进有色行业和精细化工行业技术升级，推动优化产业结构具有重要意义。

专业释义

经济学

• 工业结构优化升级