以下哪种材料为不溶型薄膜衣的材料（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27488' and id < 2270719 and id<>'2270719' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27488' and id > 2270719 and id<>'2270719' order by id asc limit 5