装、拆接地线时，人体不得（  ）接地线或未接地的导线，以防止触电。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id < 4500759 and id<>'4500759' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id > 4500759 and id<>'4500759' order by id asc limit 5