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家用玻璃胶 / Household silicone


According the need of using to move the new silicone by revolving the button of the silicon.Through
the screw which connect with the button drives the seal to make the pressure difference in and out
then the silicone can be put out smoothly.


Nanchang University

Nanchang University
NanChang, China

heqi zhao,
Nanchang university

jie lin

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