地方性氟中毒的主要临床表现是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25502' and id < 2146868 and id<>'2146868' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25502' and id > 2146868 and id<>'2146868' order by id asc limit 5