皮下注射时，针头和注射部位的角度是30°~40°o

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30777' and id < 2478243 and id<>'2478243' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30777' and id > 2478243 and id<>'2478243' order by id asc limit 5