在交流回路中，A、B、C三相母线的颜色标志分别为：（）
A.黄、绿、红
B.绿、黄、红
C.红、绿、黄
参考答案：A
To come back before Sunday, I have made a few minor ________ to the schedule of my trip.
A．adjustments
B．arrangement
C．adoptions
D．applications
简述发电机风压试验过程。
