Xi măng chủ yếu được dùng trong xây dựng. Trước khi tìm hiểu về các loại xi măng dùng trong xây dựng chúng ta điểm qua chức năng của xi măng. Xi măng được dùng thông dụng nhất trong xây dựng, tạo thành các khối đá, bê tông. Xi măng khi kết hợp với nước, vừa hình thành ...
Chinese President Xi Jinping, also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, meets representatives from the C919 project team at the Great Hall of the People in Beijing, capital of China, Sept. 30, 2022. Vice Premier Han Zheng, also a member of the Standing ...
BEIJING, Jan. 27 (Xinhua) -- President Xi Jinping on Wednesday heard a work report delivered via video link by Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam on the HKSAR government's work in 2020, its COVID-19 response and other situations. The work report hearing was conducted via …
President Xi Jinping on Dec. 22 met with Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam, who is on a duty visit to Beijing. During the meeting, Xi heard a report from Lam on Hong Kong's current situation and the HKSAR government's work.
President Xi Jinping met with Chief Executive of the Hong Kong Special Administrative Region (HKSAR) Carrie Lam here on Thursday, saying the central authorities fully acknowledge her work during her five-year tenure as the chief executive. Xi is in Hong Kong to attend events marking the 25th anniversary of Hong Kong's return to the …