In nuclear reactors, graphite is used widely as moderators, reflectors, constructive materials of reactor core and fuel elements in high temperature gascooled reactors.
石墨广泛地用做核反应堆慢化材料、反射层材料和堆芯结构材料，在高温气冷堆中还用来做燃料元件。
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In 10mw High Temperature Gas-cooledreactor (HTR-10), the wear of graphite components generates the graphite dust to influence the normal working of the reactor.