什么叫接地装置?
["\u4e0e\u571f\u58e4\u76f4\u63a5\u63a5\u89e6\u7684\u91d1\u5c5e\u7269\u4f53\u53eb\u63a5\u5730\u4f53\u6216\u63a5\u5730\u6781\u3002\u8fde\u63a5\u63a5\u5730\u4f53\u4e0e\u7535\u6c14\u8bbe\u5907\u63a5\u5730\u90e8\u5206\u7684\u5bfc\u7ebf\u53eb\u63a5\u5730\u7ebf\uff0c\u63a5\u5730\u7ebf\u548c\u63a5\u5730\u4f53\u5408\u79f0\u4e3a\u63a5\u5730\u88c5\u7f6e\u3002"]