系统发生短路故障后，越靠近短路点，电压(  )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69513' and id < 4503357 and id<>'4503357' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69513' and id > 4503357 and id<>'4503357' order by id asc limit 5