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没误差 / No error

没误差
没误差

People often make mistakes in using the USB flash drive.
This USB tail slightly cocked, it can help people distinguish
between positive and negative in the unconscious to prevent
using the wrong USB.Improve people's work efficiency.

University

zhengzhou institute of light industry

zhengzhou institute of light industry
zhengzhou, China

qingqing zhang,
zhengzhou institute of light industry

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