电工仪表的精确度等级分为（）等。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id < 2260462 and id<>'2260462' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27214' and id > 2260462 and id<>'2260462' order by id asc limit 5