◎ 接地 jiēdì(1) [earthing;grounding;ground connection] [电]∶为防止触电或保护设备的安全,把电力电讯等设备的金属底盘或外壳接上地线(2) [touchdown;ground contact]∶利用大地作电流回路接地线
1.{电} landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground; earth ground; ground strap connection; earth connection; {航空} touchdown; ground contact
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