Firstly, the fault-tolerant process control is introduced according to the safety and economics requirement of chemical, power, iron and steel processes.
首先，从工业生产过程的安全经济运行与控制需要出发，介绍了过程控制中容错的基本思想。
Through the introduction of formulating standard and the use of external iron chill in cast steel, the paper pointed out a way for saving cost, simplifying working processes and improving quality.
通过对铸钢件外冷铁标准的制定和应用情况的介绍，提出了节约成本、简化工艺、提高质量的一条重要途径。
Taking Jinan General Iron and Steel Works for example, the authors summarize the main technical data, processes and equipments of the technology from the view of design.
为正确掌握该工艺的基本要素，笔者以济钢实际为例，从设计角度出发，综述工艺的主要技术参数、流程及其设施内容的确定方法。
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