生理性状态下脐带扭转的周数是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25970' and id < 2178663 and id<>'2178663' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25970' and id > 2178663 and id<>'2178663' order by id asc limit 5