阻止口腔癌局部扩展的天然屏障的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29309' and id < 2385386 and id<>'2385386' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29309' and id > 2385386 and id<>'2385386' order by id asc limit 5