天花粉具有降血糖作用的有效成分是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id < 2199701 and id<>'2199701' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26295' and id > 2199701 and id<>'2199701' order by id asc limit 5