位于前正中线上，脐下4寸的腧穴是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30936' and id < 2490033 and id<>'2490033' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30936' and id > 2490033 and id<>'2490033' order by id asc limit 5