Its working principle and characteristics of flow were analyzed, the optimal mathematic model was established, and a living computation example was presented.
分析了其工作原理和流量特性，建立了优化数学模型，并给出了计算实例。
The heat measuring method with flow and temperature coefficients suitable for vertical single-pipe series-loop heating system is proposed, and its working principle and characteristics are introduced.
提出适用于垂直单管顺序式供暖系统的流量温度系数热计量方法，介绍了工作原理和特点。
This paper states a mechanical rotating pulsating flow signal generator and its working principle and structural characteristics.
本文介绍了作者研制的机械旋转式脉动流量信号发生器的基本工作原理和结构特点。
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