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。
This study investigates the regularity of the change on the physical and chemical water qualities in the distribution system during the process of water source switching in a city.
为了研究水源更换对给水管网水质的影响，对北方A市水源更换过程中管网水质理化指标进行了监测分析。
This study investigates the regularity of the change on the physical and chemical water qualities in the distribution system during the process of water source switching in a city.
为了研究水源更换对给水管网水质的影响，对北方A市水源更换过程中管网水质理化指标进行了监测分析。
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