.短路故障通常会对设备产生的主要影响是(   )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id < 4503999 and id<>'4503999' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69521' and id > 4503999 and id<>'4503999' order by id asc limit 5