Watch the video clip and figure out who is going to fulfill the following tasks. Match their names with the corresponding tasks.
查看答案
下列哪组单相电源可组成一个对称三相交流电源 ( )
A. 100sin(5t)V,100sin(5t-60O)V,100sin(5t-120O)V
B. 100 sin(5t)V,80sin(5t-120O)V,60sin(5t-240O)V
C. 80sin(5t)V,80sin(5t-120O)V,80sin(5t-240O)V
D. 80sin(5t)V,80sin(3t-120O)V,80sin(3t-240O)V
多跨静定梁分为基本、附属两部分组成
A. 对
B. 错