实际三相电路中，线路的连接方式-般有（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id < 2599368 and id<>'2599368' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id > 2599368 and id<>'2599368' order by id asc limit 5