Through wind standard tunnel test, linear relationship is found out between the impeller speed and the air speed of refitted air speedometer.
经风洞标定试验，改造后的风速表叶轮转速与风速有良好的线性关系。
Through wind standard tunnel test, linear relationship is found out between the impeller speed and the air speed of refitted air speedometer.
经风洞标定试验，改造后的风速表叶轮转速与风速有良好的线性关系。
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