自耦变压器二次有2〜3组抽头，其电压可以分别为一次电压£/1的80%、()、鄕0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27221' and id < 2260193 and id<>'2260193' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27221' and id > 2260193 and id<>'2260193' order by id asc limit 5