常见发电机辅助信号有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id < 2399010 and id<>'2399010' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29467' and id > 2399010 and id<>'2399010' order by id asc limit 5