All above make a solid foundation for the power flow of the traction power supply system of high-speed railway.

为高速牵引供电系统的潮流计算打下了坚实的基础。

youdao

All above make a solid foundation for the power flow of the traction power supply system of high-speed railway.

为高速牵引供电系统的潮流计算打下了坚实的基础。

youdao