| a | b | c | d | f |
A相电阻 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 |
B相电阻 | 0.38 | 0.38 | 0.76 | 0.38 | 0.76 |
C相电阻 | 0.38 | 0.76 | 0.76 | 1.14 | 1.14 |