机构是机械产品的核心,没有机构就无法完成机械的功能。在形形式式的机械中,例如农业机械、轻工机械、纺织机械、服装机械、印刷机械、建筑机械、矿山机械、冶金机械、食品机械、包装机械以及动力机械等等中均离不开机构。同样各种各样的制造业,例如电子工业、航空航天工业、钟 Institutions are at the core of mechanical products and can not function without machinery. In the form of machinery, such as agricultural machinery, light industry machinery, textile machinery, clothing machinery, printing machinery, construction machinery, mining machinery, metallurgical machinery, food machinery, packaging machinery and power machinery, etc. are inseparable from institutions . The same variety of manufacturing industries, such as the electronics industry, the aerospace industry, and bell