乳状液型注射剂常用的乳化剂是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24957' and id < 2126981 and id<>'2126981' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24957' and id > 2126981 and id<>'2126981' order by id asc limit 5