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Anti-Spam trench cover / Anti-Spam trench cover

Anti-Spam trench cover

When the storm drainage pipe is good or bad, it will directly affect whether the city will be flooded, or large numbers of water, great inconvenience to our arrival. The quality of the drainage trench cover and have a great relationship, in many cases is not due to poor drainage trench cover, is too much junk in the trench cover blocked drains, garbage is difficult to row out. Anti-Spam trench cover combines the principles of aerodynamics, the trench cover made the arc with two faces, so the garbage will be shining arc flow away, it will not stay in the trench cover mouth, it does not affect the displacement, and in anti-spam trench cover rou

University

Jiangxi University of Finance and Economics

Jiangxi University of Finance and Economics
Nanchang, China

yunhu yang,
Jiangxi University of Finance and Economics