短語詞組短語water r moderated reactor 水衰減反應堆water -cooled and -moderated reactor 水冷卻慢化堆;水light water -moderated reactor 輕水慢化堆light -water cooled graphite moderated reactor 石墨輕水冷卻堆light water moderated reactor 輕水慢化反應堆reactor water -moderated 水緩和反應器 返回 water moderated reactor