PCRF通过（    ）接口向PGW下发策略。[1分]

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58020' and id < 3666445 and id<>'3666445' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='58020' and id > 3666445 and id<>'3666445' order by id asc limit 5