A ranar 20 ga Agusta, 2020, hedkwatar gudanarwa na metro na Guangzhou, Cibiyar Binciken Metro ta Guangzhou, tare da Nanjing Junli Technology Co., Ltd., sun gudanar da gwajin gwajin ruwa na ruwa mai cikakken iko a ƙofar kofa ta Haizhu Square. Tasha. Da h...
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