Isikhathi sokuthunyelwe: Disemba-08-2022
Umthombo wesihloko: I-vacuum ye-Zhenhua
Funda: 10
Kushicilelwe: 22-12-08
4. Indlela yokumboza nge-vacuum yefilimu yokulwa ne-oxidation yezinsimbi eziyigugu kanye nemikhiqizo yokumboza ngensimbi eyigugu
Isikhathi sokuthunyelwe: Disemba-08-2022