为了保证用户电压质量，系统必须保证有足够的（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32643' and id < 2595656 and id<>'2595656' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32643' and id > 2595656 and id<>'2595656' order by id asc limit 5