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• 201021) -- HANGZHOU, Oct. 21, 2020 (Xinhua) -- A sanitation worker collects wastes from an automatic cleaning machine in a river in Hangzhou, east China's Zhejiang Province, Oct. 21, 2020. A series

201021) -- HANGZHOU, Oct. 21, 2020 (Xinhua) -- A sanitation worker collects wastes from an automatic cleaning machine in a river in Hangzhou, east China's Zhejiang Province, Oct. 21, 2020. A series

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Horizontal Automatic Scraper Discharge Centrifuge Gk 1250-N

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201021 -- HANGZHOU, Oct. 21, 2020 -- An automatic cleaning machine

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