凡涉及结构安全的试块、试件以及有关材料，应按照规定进行（)0

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24808' and id < 2121238 and id<>'2121238' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24808' and id > 2121238 and id<>'2121238' order by id asc limit 5