为了调整运行变压器的分头，需要变压器停运，这种变压器的调压方式称为(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id < 4498624 and id<>'4498624' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69462' and id > 4498624 and id<>'4498624' order by id asc limit 5