abstract：Classification and development of automotive electrical switches Automotive electrical switch (hereinafter referred to as switch) and ordinary electrical switch principle are very similar, but becaus...

abstract：Because the plastic is light weight, good toughness, easy molding, low cost advantages, so in the modern industrial and household products, more and more plastic instead of glass, especially used in o...

abstract： 1. definition and classification of auto parts manufacturing industry 1. industry concepts and definitions Auto parts is one of the automobile service industries, as well as the units t...

abstract： Air filter: the function is to filter the dust and impurities in the air, so that clean air into the engine, which on the engineLife and work are important. Air filter adsorption of dust, impuritie...