סין פורום < Unloading and transporting untreated copper slag inside Dry Dock

• 
  Copper Field

  פורסם על ידי  Ariana Jiang ב-  סין פורום 26 May 2021, 03:59

  Hi，Saif！I don't know much about this aspect, but I think you may go to the industrial section of forums like reddit or quora to get more answers.

תגובות אחרות

• Teaching English in china
• Copper Field