中文说明：变压器油中溶解气体的故障诊断方法，即IEC三比值法。用Matlab 程序运用的结果进行整理而得到的约简后的故障诊断决策表
English Description：
The fault diagnosis method of dissolved gas in transformer oil is IEC three ratio method. The reduced fault diagnosis decision table is obtained by sorting out the results of MATLAB program