The main cost of thermal power plant chiefly is the coal consumption, and the operating cost of ball mill is only the one small part . It is not necessity to do risk and sensitivity analysis.
火力发电厂的发电成本主要是煤耗，球磨机的运行费用只是发电费用中的一小部分，所以本文没有做风险分析和敏感性分析。
The circle steel coal bucket is a main building in large thermal power plant, but in national and departmental standards there are no design articles about the wall thickness calculation.
钢圆煤斗是大型火力发电厂主厂房一个重要的建筑物，但现行的国家及部门规程规范中没有相应的计算煤斗壁厚的设计条文，故有必要对其计算方法作一综合性的探讨。
Along with the improvement of main equipments controllability and control elements reliability, people pay more attention to automatic control level of auxiliary shop in thermal power plant.
随着主体设备可控性及控制元件可靠性的提高，火电厂辅助车间的控制系统自动化水平也越来越得到重视。
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