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It just combine the water of flushing toilet with hand-washing at the same time, to reduce the waste of water. Used to water plants before urine diluted.
Zhengzhou University of Light Industry
Zhengzhou, China
Ning Luan,
Zhengzhou University of Light Industry
Jing Zhang,
Zhengzhou University of Light Industry
Luyin Peng,
Zhengzhou University of Light Industry
Yujie Li,
Zhengzhou University of Light Industry
