Kub dov Kub dov yog txheeb ze rau txias dov, uas yog dov hauv qab qhov kub ntawm recrystallisation, thaum kub dov yog dov saum toj no lub recrystallisation kub.Qhov zoo: tuaj yeem rhuav tshem cov casting ntawm steel ingots, refining grain ntawm steel, thiab eli ...
Nyeem ntxiv