自耦变压器存在两种运行方式，即自耦运行方式和联合运行方式。（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id < 4500714 and id<>'4500714' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69485' and id > 4500714 and id<>'4500714' order by id asc limit 5