Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2022
Tsab xov xwm qhov chaw: Zhenhua lub tshuab nqus tsev
Nyeem: 10
Luam tawm: 22-12-08
4. Ib txoj kev nqus tsev rau cov yeeb yaj kiab tiv thaiv oxidation ntawm cov hlau muaj nqis thiab cov khoom siv hlau muaj nqis
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2022