导线按结构可分为（）导线。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27216' and id < 2260401 and id<>'2260401' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27216' and id > 2260401 and id<>'2260401' order by id asc limit 5