导线的工作电压应大于其额定电压。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27218' and id < 2260306 and id<>'2260306' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27218' and id > 2260306 and id<>'2260306' order by id asc limit 5