Suitable irrigation times were defined according to difference of water consumption between different stages and dynamic analysis of wheat field water.
进而根据小麦阶段耗水的差异和麦田水分动态分析，确定了小麦适宜灌溉期。
Through the analysis and comparison of water pressure chart of press boiler and no-press boiler, it is found that their main difference is circulating pump delivery, namely different consumption.
通过对无压锅炉与有压锅炉供热系统水压图的分析和比较，发现二者的主要区别在于循环水泵的扬程不同，即循环能耗不同。
Finally through simulation of energy consumption, we analyze the difference between dynamic analysis method and the effective heat transfer coefficient method.
最后通过能耗模拟，比较了动态计算方法和有效传热系数法的差别。
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