The trains on this line are all drawn by electric locomotives. 这条线上的列车都由电力机车牵引。
For three-phase AC power supply systems and locomotive converter complex and electric locomotives gradually tend to adopt a one-way AC power frequency. 因三相交流供电系统和机车变流装置复杂，电力机车逐渐趋向采用工频单向交流电。
