下载APP
【单选题】
Three-phase AC motor, 2p =4, using double layer winding, each phase winding has () coil group.
A.
2
B.
4
C.
8
D.
12
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【判断题】In linear programming model, the objective function and all constraints are all linear ( )
A.
正确
B.
错误
【单选题】AC three-phase symmetric winding means that the number of turns and connection law of the three-phase winding are the same, but ().
A.
The axis of each phase winding is staggered in space successively 1200:
B.
Each phase winding axis is stagger 1200 electric Angle in space successive
C.
Each phase winding is connected to a three-phase symmetrical current
D.
Each phase winding is connected to the three-phase AC current.
【单选题】Beat 3 of waist-twining step: bounce to the ground with the （ ） to the direction of （ ） degrees.
A.
heel、45
B.
sole of the foot 、60
C.
heel、60
D.
tiptoe、60
【单选题】Foot motions of waist-twining steps beat 1: Get the left foot to take a parallel step to the left, slightly wider than the shoulder, in bow stance, with two toes in the direction of （ ） degrees.
A.
45
B.
30
C.
60
D.
90
【单选题】In Yi language, what does "Ashima" mean?
A.
sunny people
B.
a beautiful and kind-hearted girl
C.
enthusiastic people
D.
brave people