【判断题】验电时,不能将一相无电作为三相无电的依据。( )(1分)加油!必过!
【单选题】Spelling Bee is a contest competitors, usually children, are asked to spell as many words as possible.
【判断题】验电时,不能将一相无电作为三相无电的依据。( )(1分)
【判断题】验电时,不能将一相无电作为三相无电的依据。
【简答题】He made many spelling mistake because of__________.
【判断题】[判断题] 验电时,不能将一相无电作为三相无电的依据。()
【单选题】He made many spelling mistake because of__________.