[KongchangAI]
Unverified75% confidenceDecision RuleTime unknown

金属层屏蔽墙纸必须做接地处理才能发挥完整屏蔽效果,未接地时对低频电场衰减会大幅下降;因此不接地的普通粘贴方式实际防护性能远低于实验室标称值

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