酸雨是指降水的pH小于

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25515' and id < 2148106 and id<>'2148106' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25515' and id > 2148106 and id<>'2148106' order by id asc limit 5