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自20世纪80年代初,美国核电站首次实施18个月换料以来,世界各国核电站都逐渐转向18个月或更长周期换料。这些电站的实践证明长周期换料具有许多原来12个月换料所没有的优越性,它使电站更安全、更经济,也因此提升了核电竞争力。
Since the early 1980s when the U.S. nuclear power station first implemented 18 months of refueling, nuclear power plants in all countries in the world gradually switched to refueling for 18 months or longer. The practice of these plants has proved that long-term refueling has many advantages not found in the original 12-month refueling, which makes the power plant safer and more economical, thus enhancing the competitiveness of nuclear power plants.