三绕组变压器运行时，应在（）侧装设只避雷器。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32667' and id < 2598201 and id<>'2598201' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32667' and id > 2598201 and id<>'2598201' order by id asc limit 5