1·On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段,牵引供电网采用单相工频交流电供电方式。
2·The planning and design have to be seriously proceeded in order to practice the electrization construction of the counties.
为搞好这些县的电气化建设,必须进行认真的规划设计工作。