该方案设计合理，效果显著，有效地解决了延庆—下庄供电臂电压偏低的问题。
The plan, rational in design and obvious in effectiveness, has effectively solved the low voltage problem in power supply section from Yanqing-Xiazhuang.
该方案设计合理，效果显著，有效地解决了延庆—下庄供电臂电压偏低的问题。
The plan, rational in design and obvious in effectiveness, has effectively solved the low voltage problem in power supply section from Yanqing-Xiazhuang.
应用推荐