电压表在测量时，量程要大于等于被测线路电压。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27215' and id < 2260418 and id<>'2260418' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27215' and id > 2260418 and id<>'2260418' order by id asc limit 5