脐带过短是;指脐带长度少于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25956' and id < 2176859 and id<>'2176859' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25956' and id > 2176859 and id<>'2176859' order by id asc limit 5