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People will inadvertently fasten their buttons up the wrong way, and always buckle it to the end. Now, we change the direction of the buttonhole; let it into a horizontal and a vertical staggered buttonhole. In this way, it will not affect the appearance at the same time, let people buckle on buttons accurately and handily.People will inadvertently fasten their buttons up the wrong way, and always buckle it to the end. Now, we change the direction of the buttonhole; let it into a horizontal and a vertical staggered buttonhole. In this way, it will not affect the appearance at the same time, let people buckle on buttons accurately and handily.
College of Science&Technology
Ningbo university
ningbo, China
lei shi,
College of Science&Technology Ningbo University
Liyuan Liu
Jixin He
Yu Zhang,Zhichao Lu