철도 전기 시스템에서 가공선이 어떻게 작동합니까??
Overhead electric lines completed by the construction of overhead cables are one of the most common methods used in railroad electrification. 하지만, early reliance on battery-powered trains will become an essential option in some areas. But for now, as global industrialization accelerates, annual carbon emissions continue to multiply, and the global warming trend becomes more … 더 읽으십시오