根据成本推进论的观点，导致生产成本提高的原因主要有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25267' and id < 2138586 and id<>'2138586' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25267' and id > 2138586 and id<>'2138586' order by id asc limit 5