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燃油油量的测量，方法很多。本文首先论述了浮子电位器式传感器与电阻电桥相匹配的测量原理以及计算方法，再引伸到利用晶体管输出阻抗的变化与电阻电桥相匹配的测量原理，达到测量目的，最后给出实用电路图。
Measurement of fuel oil, there are many ways. This paper first discusses the float potentiometer sensor and resistance bridge to match the measurement principle and calculation method, and then extended to the use of transistor output impedance changes and resistance bridge matching measurement principle, to achieve the purpose of measurement, and finally gives a practical circuit diagram .