三相鼠笼异步电动机的起动电流通常是额定电流的()
A.(1.8~2.5)Ie
B.(4~5Ie)
C.(5~7Ie)
参考答案:C
I got to the office earlier that day, the 7:30 train from Paddington.
A.caught
B.to have caught
C.to catch
D.having caught
停车后为什么要盘车?