The magnetic field of railway locomotive weakens resistance 0.0122, resistance 0.0111, resistance A0.0146, resistance B0.0143, resistance C0.0126, resistance D0.0120, resistance 0.0257, resistance A10.0180, resistance B10.0177, resistance C10.0154, and magnetic field weakens resistance C10.0154. Reduced resistance D10.0150_, magnetic field weakened resistance 0.0233_, magnetic field weakened resistance 0.0273_, locomotive starting resistance 0.2_single, locomotive starting resistance 0.2_double, charging resistance 0.22_, magnetic field weakened resistance 0.0222_series TAG：