变压器一、二次侧绕组匝数之比等于（      ）之比。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id < 4421145 and id<>'4421145' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68475' and id > 4421145 and id<>'4421145' order by id asc limit 5