2014年(57)
分类: 信息化
2014-05-20 18:21:36
Shoelaces () main function is to adjust the tightness of the shoe. As the youngsters grow up width, thickness foot foot version is growing, through shoes with laces, so that there is sufficient space for the development of the foot. Another foot of human movement caused by thermal expansion and contraction, so the laces () is also widely used in sports shoes, outdoor shoes, protective shoes, in order to ensure the comfort of wearing shoes.
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