局部麻醉作用最强，主要用于表面麻醉的药物是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id < 2446823 and id<>'2446823' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30247' and id > 2446823 and id<>'2446823' order by id asc limit 5