提高用户的功率因数，可以降低线路损耗。(    )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69457' and id < 4498171 and id<>'4498171' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69457' and id > 4498171 and id<>'4498171' order by id asc limit 5