变压器的调压方式分为（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69467' and id < 4499405 and id<>'4499405' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69467' and id > 4499405 and id<>'4499405' order by id asc limit 5