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Transform / product


When people using a screwdriver, they will worry about
the different screwdriver model. Whth "transform" we
can solve this problem, based on the using condition
and adjustment, it will convenient for people to work.


Jiangxi University of Finance and Economics

Jiangxi University of Finance and Economics
Nanchang, China

Mingfeng Feng Yuqing Tan Kexiang Han Fen Li