变压器一、二次侧感应电势最大值之比等于一、二次侧绕组匝数之比（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69323' and id < 4487988 and id<>'4487988' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69323' and id > 4487988 and id<>'4487988' order by id asc limit 5