护士为病人行静脉注射时穿刺的角度为 ( )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30380' and id < 2455412 and id<>'2455412' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30380' and id > 2455412 and id<>'2455412' order by id asc limit 5