下列不能开断正常工作电流和短路电流的开关设备有(   )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id < 4503910 and id<>'4503910' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69520' and id > 4503910 and id<>'4503910' order by id asc limit 5