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故障情况：定标时，Na~+／K~+／Cl~3个电极的测定结果有的离靶值近且准确性好，但有的离靶值远且准确性差，上述3种结果的重复性均差。斜率定标时不成线性。测定已知浓度的质控血清，其结果的准确性差且精密度低。仪器不能正常工作。检修情况及结果：针对上述故障，我们首先怀?
Fault condition: At the time of calibration, the measurement results of Na~+/K~+/Cl~3 electrodes are close to the target value and accuracy is good, but some are far from the target value and have poor accuracy. The above three kinds of results Poor repeatability. Slope calibration is not linear. The determination of known concentrations of control serum results in poor accuracy and low precision. The instrument does not work properly. Maintenance and results: For the above failures, we first harbor?