轻度铅中毒症状为头晕、头痛、失眠、无力、腹痛、腹胀、便秘等。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30402' and id < 2457782 and id<>'2457782' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30402' and id > 2457782 and id<>'2457782' order by id asc limit 5