1)reactor roof,反应堆顶部2)PRV head package,反应堆堆顶3)reactor roof,反应堆顶盖4)reactor sphere,反应堆圆顶5)in-pile,反应堆内部6)reactor component,反应堆部件
用法例句
NPIC have finished the design of PRV head package based on the design experience of PRV head package of naval ships and the advanced design technology used in the nuclear power plants in the world.