For the repair of machine tools and other wear parts, metal plates and polymer materials are often used for affixing or replacing, which requires not only a large number of precise machining operations, but also often requires manual scraping of the machined surfaces. long. In recent
New News recently, a number of media reported that two fire engines on the way out of the police, into the early peak traffic flow, by many private cars before and after attack, blocked on the road. Many fire engines, police vehicles, and even special vehicl
Since the official release of the GB1589 Regulations last year, strict regulations for overriding regulations have been introduced and implemented. At this time, the advantages of lightweight products have become more pronounced. However, the blindness of “reducing weight for weight reductio