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Revision as of 09:51, 30 September 2020 by Chjw101 (talk | contribs) (Created page with "电路中用作公共参考点的点,通常是物理上安装有电路的导电机架。它经常但不是必须通过低电阻导体接地。")
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电路中用作公共参考点的点,通常是物理上安装有电路的导电机架。它经常但不是必须通过低电阻导体接地。