硅为什么能成为最常用的半导体材料? | 8k8 con | Updated: 2024-07-02 18:24:38
Peng Liyuan, wife of Chinese President Xi Jinping, visited the National Museum of Serbia with Tamara Vucic, wife of Serbian President Aleksandar Vucic, in Belgrade on Wednesday.
Video from CCTV.