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3S Electric drill / Drill

3S Electric drill
3S Electric drill

Electric drill is a kind of commonly used tools.However, we always encounter a lot of problems when we use it .For example: it is difficult to vertical drilling, drilling depth is difficult to grasp, electric drill bit's temperature is too high or it is easy to produce spark etc..This manual electric drill is integrated with multiple functions of punching vertically ,measuring and watering.It can effectively solve these problems,and make your work easier and more efficient.

University

Dalian Nationalities University

Dalian Nationalities University
Dalian, China

XueFei Liu,
Dalian Nationalities University

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