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Let porcelain keep quiet / Multifunction muffler

Let porcelain keep quiet
Let porcelain keep quiet

When we are in a meeting or a quiet place to use tea cup with a lid , porcelain shrill sound of the collision , break the quiet , stimulate people's eardrums , people feel uncomfortable. "Let porcelain keep quiet" , through to the installation of a silicone production of porcelain " muffler " and let the meeting place quieter, life better .

University

CHINA UNIVERSITY OF MINING AND TECHNOLOGY

CHINA UNIVERSITY OF MINING AND TECHNOLOGY
xuzhou, China

cong rong,
CHINA UNIVERSITY OF MINING AND TECHNOLOGY

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