Instead he was using a one-wire transmission system where the conductive Earth served as the wire .
相反，他使用的是单线传输系统在地球的导电丝担任。
Is there evidence that the floor was installed using conductive adhesive with copper earth grounding straps?
是否有证据证明导电地板黏有铜线来接地？
Is there evidence that the floor was installed using conductive adhesive with copper earth grounding straps?
是否有证据证明导电地板黏有铜线来接地？
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