12.I-vacuum roll ukuze igingqike imishini yokuhlanganisa ukuze kulungiswe izimbobo ze-nano-inorganic non-metallic ezivimbelayo

Umthombo we-athikili:I-vacuum ye-Zhenhua

Funda:10

Kushicilelwe:22-12-08

Isikhathi sokuthumela: Dec-08-2022