PMU装置与主站交换的帧类型信息有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29464' and id < 2399218 and id<>'2399218' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29464' and id > 2399218 and id<>'2399218' order by id asc limit 5