三相电源线电压为380V,三角形联接对称负载则线电流为38A。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id < 2594955 and id<>'2594955' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32633' and id > 2594955 and id<>'2594955' order by id asc limit 5