... graphite shield(ing) 石墨屏蔽体 graphite shrinkage 石墨收缩(中子通量引起) graphite sleeve 石墨套管 ...
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Large thick-section ductile Iron housing easily produces casting defects such as shrinkage cavity, shrinkage porosity, graphite floating and spheroidizing decay.
大型厚断面球墨铸铁件在铸造过程中极易产生缩孔、缩松、石墨漂浮及球化衰退等铸造缺陷。
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