【Key words】 insertion multi-point air flow meter； wing-type； uniform celerity tube；
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The advantages and shortcomings of wing-type and uniform celerity tube air flow meter in the power plant at present, and the comparison among them, remarkable points in installation and using are described.
介绍了机翼和均速管流量计在目前火电厂应用的优缺点,以及它们之间的比较、安装、使用中应注意的事项。
参考来源 - 潍坊电厂大管径风量测量装置的选型与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
TORBAR均速管是一种新型检测断面的流量检测元件。
TORBAR averaging pitot tube is a flow sensor of new detecting section.
避免大口径管道采用均速管测量非洁净流体时，取压孔被堵塞问题。
The method avoids that hole of taking pressure is blocked by used average-velocity tube to measure unpurged one phase fluid in the big pipe.
详细介绍了均速管的几种结构形式，给出了实用流量测量的计算公式。
Several structure forms are presented in detail. The practical flow measurement calculation formula is proposed.
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