Project and system situation in Zouxian Power Plant were introduced, and the piping design parameters and the piping material of main steam system and main feed water system were determined.
对邹县发电厂四期工程和系统状况进行了介绍，确定了主蒸汽系统和主给水系统管道的设计参数，选择了管道材料。
Thermodynamic design of boiler feed pump turbines has to deal with steam source switching and changes of steam parameters.
锅炉给水泵汽轮机热力设计中必须进行变参数变汽源的汽源切换计算。
The main design parameters, such as NTS, reflux ratio and feed location are analyzed in detail to get the optimized design of the ethyl acetate concentration column.
对提浓塔的理论塔板数、回流量和进料位置等参数进行分析，得到了最优化的设计参数。
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