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密封装置"nC"
el., sec.sys.	dispositif scellé "nC"
密封装置 mìfēng zhuāngzhì
el., sec.sys.	dispositif d’étanchéité
密封装置核工业, 以加固钢制品或混凝土船用于封装核反应堆。这种设计使其能够经受住小规模核爆，从而可以防止放射性核子逃逸到环境中去，同时也可以经受住恐怖袭击。 mìfēng zhuāngzhì
environ.	dôme de confinement