Igihe cyo kohereza: Ukuboza-08-2022
Inkomoko y'ingingo: Icyuho cya Zhenhua
Soma: 10
Byatangajwe: 22-12-08
4.Uburyo bwo gutwika vacuum ya firime anti-okiside yamabuye yagaciro nibicuruzwa byiza byo gutwikira
Igihe cyo kohereza: Ukuboza-08-2022