metallurgical       
adjective uk/ˌmet.əlˈɜː.dʒɪ.kəl/ us/ˌmet̬.əlˈɝː.dʒɪ.kəl/
 冶金学的
relating to metallurgy (= the scientific study of the structures and uses of metals)
  a metallurgical process 冶金过程 
 the metallurgical industry 冶金工业 
 See: metallurgy
 - More examples
- The leading metallurgical engineers in the aluminium industry are available to consult with customers.
- Extensive metallurgical testing has already been completed.
- The river is already heavily polluted by chemical and metallurgical industries.