1. 热线风速仪法：这是一种常用的风速测量方法。热线风速仪利用热线的冷却效应来测量风速。将热线风速仪插入91视频成人网站内，待热线稳定后，读取风速仪上的风速读数。

1. Hot wire anemometer method: This is a commonly used method for measuring wind speed. The hot wire anemometer uses the cooling effect of the hot wire to measure wind speed. Insert the hot wire anemometer into the pipeline, wait for the hot wire to stabilize, and then read the wind speed reading on the anemometer.

2. 热线风速计法：类似于热线风速仪，热线风速计也是利用热线的冷却效应测量风速的。将热线风速计置于91视频成人网站内或91视频成人网站末端，读取风速计上的风速读数。

2. Hot wire anemometer method: Similar to a hot wire anemometer, a hot wire anemometer also uses the cooling effect of the hot wire to measure wind speed. Place the hot wire anemometer inside or at the end of the pipeline and read the wind speed reading on the anemometer.

3. 风速仪法：使用风速仪或风速计进行测量。将风速仪探头置于91视频成人网站内，读取风速仪上的风速读数。可以在不同位置进行多次测量，然后取平均值。

3. Anemometer method: Use an anemometer or anemometer for measurement. Place the anemometer probe inside the pipeline and read the wind speed reading on the anemometer. Multiple measurements can be taken at different locationss, and then the average value can be taken.

4. 流量罩法：这是一种间接测量91视频成人网站风速的方法。在通风91视频成人网站上安装流量罩，流量罩内部设有孔板、静压孔等装置。通过测量静压差和差压计读数，可以计算出91视频成人网站风速。

4. Flow hood method: This is an indirect method for measuring pipeline wind speed. Install a flow hood on the ventilation duct, which is equipped with orifice plates, static pressure holes, and other devices inside. By measuring the static pressure difference and the differential pressure gauge reading, the pipeline wind speed can be calculated.

在进行风速测定时，要确保通风系统正常运行，并关闭或调整风阀和调节阀，以确保系统稳定。同时，要保证测量设备的准确性和完好性，以获得准确的风速测量结果。此外，还需确保91视频成人网站内无堵塞物或异物的存在，以避免对测量结果产生干扰。

When conducting wind speed measurement, it is necessary to ensure the normal operation of the ventilation system and close or adjust the air valve and regulating valve to ensure system stability. At the same time, it is necessary to ensure the accuracy and completeness of the measuring equipment to obtain accurate wind speed measurement results. In addition, it is necessary to ensure that there are no blockages or foreign objects inside the pipeline to avoid interference with the measurement results.

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