Waste sorting demonstration in Changsha Furong district: Garbage bag with QR code to trace waste source of residents
Waste sorting in Changsha: Garbage bag with QR code to trace waste source
Editor:张焕勤
Source:english.rednet.cn
Updated:2018-06-22 16:37:20
Source:english.rednet.cn
Updated:2018-06-22 16:37:20
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