用电笔验电时，应赤脚站立，保证与大地有良好的接触。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id < 2260247 and id<>'2260247' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27220' and id > 2260247 and id<>'2260247' order by id asc limit 5