雷击线路时，线路绝缘发生闪络的最小雷电流幅值称为（）.

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32667' and id < 2598234 and id<>'2598234' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32667' and id > 2598234 and id<>'2598234' order by id asc limit 5