Agoosto 20, 2020, xarunta hawlgalka metro ee Guangzhou, Machadka Naqshadeynta iyo Naqshadeynta Metro ee Guangzhou, oo ay weheliso Nanjing Junli Technology Co., Ltd., waxay sameeyeen tijaabo biyo ah oo wax ku ool ah oo hydrodynamic si buuxda u otomaatig ah albaabka laga soo galo ama ka baxo fagaaraha Haizhu Saldhig. The h...
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