题目内容
已知电源线电压,;每只电灯R=11Ω,电动机每相Z=50Ω、λ=0.8,求中性线电流()
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id < 2599336 and id<>'2599336' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32675' and id > 2599336 and id<>'2599336' order by id asc limit 5