无功备用量一般取最大无功功率负荷的(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69460' and id < 4498461 and id<>'4498461' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69460' and id > 4498461 and id<>'4498461' order by id asc limit 5