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Improved design of lighte / Lighter

Improved design of lighte
Improved design of lighte

The improved design of lighter, make the maximum value of the lighter fuel by putting a lighter at the bottom of the deformation, can save energy, avoid excessive loss of energy.

University

Tianjin University kindheartedness

Tianjin University kindheartedness
Tianjin University kindheartedness, China

Design

Tianjin University kindheartedness

Tianjin University kindheartedness
Tianjin University kindheartedness, China