变压器的绕组是变压器的（   ）部分。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69466' and id < 4499202 and id<>'4499202' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69466' and id > 4499202 and id<>'4499202' order by id asc limit 5