On June 27th, experts and scholars from the north and south of the Yangtze River gathered in the

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Abstract: In order to realize the self-developed CAD/CAM software for impeller NC machining, an inte

Name of product specification Materials Steel factory / origin Price (yuan/ton) Than yesterda

In recent years, the author found in rural surveys that the use of chemical pesticides to cause

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Vulcanizing Accelerator MDetailed introduction to rubber vulcanizing accele

Bronze: Boosted by fresh technical buying, copper prices are strong today. It is recommended that th