同杆并架线路，在一条线路两侧三相断路器跳闸后，存在（  ）电流。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69479' and id < 4500998 and id<>'4500998' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69479' and id > 4500998 and id<>'4500998' order by id asc limit 5