【简答题】与同容量的变压器相比较,感应电动机的空载电流大还是变压器的空载电流大,为什么?
【判断题】与同容量的变压器比较,感应电机的空载电流较大。
【单选题】---This is the first time I _____ my first picture with my own hands. --- It’s time that you ____ a photo of me.
【单选题】If I were in movie, then it would be about time that I ______ my bead in my hands for a cry.
【单选题】-What did you think of the place? --I didn’t care for it at first, but after _____ time I got to like it.
【单选题】—This is the first time I __________ my first picture with my own hands. —It's time that you __________ a picture for me.
【判断题】多级错流萃取中,当各级溶剂用量相等时,达到一定的分离程度所需的总溶剂用量最少。 ( )
【单选题】与同容量的变压器相比,感应电动机的空载电流( )。
【简答题】与同容量的变压器比较,感应电机的空载电流较大,为什么?