Post lub sij hawm: Dec-08-2022
Qhov chaw: Zhenhua nqus tsev
Nyeem: 10
Luam tawm: 22-12-08
4.A lub tshuab nqus tsev txheej txheej rau kev tiv thaiv oxidation zaj duab xis ntawm cov khoom muaj txiaj ntsig zoo thiab cov khoom siv hlau zoo
Post lub sij hawm: Dec-08-2022