根据《安全生产许可证条例》，安全生产许可证的有效期是（ ）年。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25927' and id < 2176189 and id<>'2176189' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25927' and id > 2176189 and id<>'2176189' order by id asc limit 5