带方向的电流保护存在的最大问题是()。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id < 4507012 and id<>'4507012' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id > 4507012 and id<>'4507012' order by id asc limit 5