01 CU waya Zvakanaka mhando vacuum annealing choto
Iyo vacuum annealing vira yakagadzirwa uye kugadzirwa nekambani yedu yekusa-oxidizing inopenya inopenya yesimbi isina-ferrous (senge waya yemhangura, pombi yemhangura, bhandi remhangura, nezvimwewo) uye simbi (senge electrode waya, mhangura yakavharwa simbi waya. , simbi isina tsvina, nezvimwewo).