Ngo-Agasti 20, 2020, iGuangzhou Metro Operation Govern Lord, Inhlangano Ye-Guangzhou Metro Design kanye neSikhungo Sokucwaninga, kanye ne-Nanjing junli Technology Co, Ltd. Isango lesikhukhula se-hydraulic livimba ngempumelelo amanzi, futhi ukumba kwaphumelela futhi kunconywe kakhulu.
Isikhathi sePosi: Sep-08-2020