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一辆汽车是由各种不同的零件、部件和总成,经螺纹连接件或采用铆接、焊接、粘接等方法连接成为一个整体的。螺纹连接件由于具有拆装方便,形式多样,可以灵活运用等一系列优点而在汽车上得到了广泛应用。统计表明:一辆普通的汽车,有上千个螺纹连接件;一些高档汽车,由于配置更加多样化,甚至有几千个螺纹连接件。其实,一切机械产品中,螺纹连接件的使用
A car is made up of a variety of different parts, components and assemblies that are connected as a single unit by threaded connections or by riveting, welding, gluing, and the like. Because of the threaded connectors with easy disassembly, diverse forms, can be flexibly used and a series of advantages in the car has been widely used. Statistics show that: an ordinary car, with thousands of threaded connectors; some high-end cars, due to the configuration more diverse, even thousands of threaded connectors. In fact, all mechanical products, the use of threaded connectors