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Basketball basic knowledge and technical explanation
Basketball is the core event of the Olympic Games. It is a confrontational sport centered on hands. Basketball originated in the United States. On December 21, 1891, it was invented by James Naismith, a physical education teacher at the YMCA Training School in Springfield, Massachusetts. In 1896, basketball was introduced into China. Nowa… 2020-11-30 |
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Classification, function, characteristics and application scope of rubber ball
Rubber ball belongs to a mechanical seal, and has certain elasticity after inflation. Do you know its classification, function, characteristics and application scope for this kind of product? If you are trying to learn the knowledge of such products, you may as well follow the small edition to look down. 2020-11-25 |
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Post vulcanization treatment of rubber products
After vulcanization, rubber products often need some post-treatment to become qualified products. This includes: (1) trimming the rubber mold products to make the surface of the products smooth and meet the requirements; 2 After some special processing, such as surface treatment, the service performance of products for special purposes is… 2020-11-25 |
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