美国核管理委员会于周二宣布，已批准田纳西流域管理局在田纳西州罗恩县克林奇河厂址建设该国首座商用小型模块化核反应堆的建造许可证。
The US Nuclear Regulatory Commission has approved a construction permit for the Tennessee Valley Authority to build the nation's first commercial small modular reactor at its Clinch River site in Roane County, Tennessee, the agency said on Tuesday.