I类放射源为极低危险源，不会对人造成永久性损伤。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30408' and id < 2458238 and id<>'2458238' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30408' and id > 2458238 and id<>'2458238' order by id asc limit 5