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科学与工艺技术的不断发展,促使工业生产的规模、速度大为改观。在现代化大工业生产中,为了确保安全、增加产量、保证质量、降低成本,从而实现以较少的原料、燃料生产出更多的高质量产品。由于这种技术和经济双重需要,使得工业的自动化技术工具成为工厂装备中非常重要的组成部分,这在流程工业中表现得尤为明显。工业自动化是一个颇为广泛的概念。通常大多采用单机自动化、车间自动化以至综
The continuous development of science and technology has prompted the scale and speed of industrial production to change greatly. In modern large-scale industrial production, more high-quality products are produced with less raw materials and fuels in order to ensure safety, increase production, ensure quality and reduce costs. Due to this dual technical and economic need, making industrial automation technology tools a very important part of the plant’s equipment is particularly evident in the process industry. Industrial automation is a very broad concept. Usually mostly stand-alone automation, workshop automation and comprehensive