机电工程专业英语

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机电工程专业英语The major part of a machine is the mechanical system. [3]And the mechanical system is decomposed into mechanisms， which can be further decomposed into mechanical components. In this sense， the mechanical components are the fundamental elements of machinery. On the whole， mechanical components can be classified as universal and special components. Bolts， gear， and chains are the typical examples of the universal components， which can be used extensively in different machines across various industrial sectors.