切除空载线路过电压的影响因素有（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68998' and id < 4465408 and id<>'4465408' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68998' and id > 4465408 and id<>'4465408' order by id asc limit 5