Being based on elbow flowmeter measurement theory, the theory of freevortex and forced votex is introduced.
从弯管流量计测量基本理论入手，介绍了自由涡流理论和强制涡流理论，并分析和对比了它们的优缺点。
参考来源 - 基于CAN总线的弯管流量计测量系统的研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Elbow flowmeter is one version of differential pressure flowmeters.
弯管流量计是差压法流量计的一种。
The discharge coefficient for each elbow flowmeter should be calibrated in practice.
每个弯管流量计的流量系数须经过实际标定。
The elbow flowmeter has some characteristics, such as without additional pressure loss, operational suitability for measuring dirty fluids, simple structure, low cast etc.
弯管流量计以其无附加压损、可测脏污介质、结构简单、成本低廉等特点逐渐引起人们的重视。
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