Dina 20 Agustus 2020, markas operasi metro Guangzhou, Guangzhou Metro Design and Research Institute, sareng Nanjing Junli Technology Co., Ltd., ngalaksanakeun latihan uji cai praktis tina gerbang banjir otomatis hidrodinamik di lawang / kaluar a Haizhu Square. Stasion. Gerbang banjir otomatis hidrolik suksés ngablokir cai, sareng bor éta suksés sareng dipuji pisan.
waktos pos: Sep-08-2020