事故备用一般为最大负荷的(  ),但不得小于系统中最大机组容量。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69512' and id < 4503272 and id<>'4503272' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69512' and id > 4503272 and id<>'4503272' order by id asc limit 5