发包人未经竣工验收擅自使用工程的，缺陷责任期应自（ ）起开始计算。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25979' and id < 2180585 and id<>'2180585' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25979' and id > 2180585 and id<>'2180585' order by id asc limit 5