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It's a pity that plenty of water drains into sewers in family bathroom everyday, this design could water into the toilet water tank through simple device of the impounding reservoir and a man powered draw bucket ,realizing the purpose of water saving.
Huaian College Of Information Technology
Huaian City, Jiangsu Province, China
Students:Zhang Shao qing/Zhuo Chao / Zhou Meng/Peng Liang Tutors:Guan Jin hong /Wang An zheng