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In the home, out of the window is difficult to clean .It's not easy to clean the outside of the Windows.We need to wipe the inside and the outside with the same force.Link internal and external cleaners.This allows the inside to be cleaned with the same force as the outside.Fully automatic cleaning.So that people save effort and convenient, have more time to rest.
LiZijie
WuHan, China
Zijie Li,
Hubei University of Technology
Junyan Liu,
Hubei University of Technology
Yulei Wu,
Hubei University of Technology
Zouyi Wu,
Hubei University of Technology
