Nthawi yotumiza: Dec-08-2022
Nkhani yochokera: Zhenhua vacuum
Werengani: 10
Lofalitsidwa:22-12-08
12.Vacuum mpukutu wopukutira zida zopangira zotchingira zapamwamba za nano-inorganic non-metallic zokutira
Nthawi yotumiza: Dec-08-2022