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In this world, less and less water resources, more and more sound pollutioncan ,
Double No can wash without water and mute conditions, high-frequency oscillation by ultrasonic
so that stains and bacteria and clothing separated, there will be no minute A strong wind blows,
swells the laundry and separates the dust more easily, and then an inwardly absorbed wind
draws the stain into the lower box without drying and drying.
Only cherish water resources to withstand the time of quenching.
Beijing Normal University, Zuhai
Zhuhai, China
Ou Zhang,
Beijing Normal University, Zuhai