在pH-速度曲线图最低点所对应的横坐 标，即为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30803' and id < 2480861 and id<>'2480861' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30803' and id > 2480861 and id<>'2480861' order by id asc limit 5