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蜂窝轮法是一种测量喷油规律的直接方法．应用方便，测量结果较为可靠，但测量是在大气条件下进行的，与发动机工作时的情况相比，喷油时的背压和温度都不相同．故测量结果有误差。本文分析了该误差的大小。
Honeycomb wheel method is a direct method of measuring the law of injection. Convenient application, the measurement results are more reliable, but the measurement is carried out in the atmosphere, compared with the situation when the engine is working, injection pressure and temperature are not the same. Therefore, the measurement results are wrong. This paper analyzes the size of the error.