原发性痛经最重要的机制是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='23727' and id < 2061104 and id<>'2061104' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='23727' and id > 2061104 and id<>'2061104' order by id asc limit 5