大唐岩滩水力发电有限责任公司500 kV超高压变压器冷却系统改造
대당암탄수력발전유한책임공사500 kV초고압변압기냉각계통개조
Upgrading the Cooling System of Ultra-high Voltage Transfers (500 kV)of Datang Yantan Hydropower Co.,Ltd.