服用水牛角浓缩粉时，每次所需的用量为（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32386' and id < 2573168 and id<>'2573168' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32386' and id > 2573168 and id<>'2573168' order by id asc limit 5