电力系统在运行中发生短路故障时，通常伴随着电流(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68479' and id < 4421550 and id<>'4421550' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68479' and id > 4421550 and id<>'4421550' order by id asc limit 5