In order to ensure the safe operation of pipeline and detect and know the operating condition of the pipeline accurately,the pipeline detection method based on inner-pipe alternating current method is used widely.
为了确保管道的安全运行,及时准确地检测和了解管道的运行状况,一种基于管内交流电(流)法的管道检测方法被广泛应用。
Research.of calibration method for AC current;
交流电(流)校准方法的研究