尖峰电流一般为额定电流的若干倍,对于笼型电动机来说()。
A.5~7
B.2~3
C.1.7
D.大于等于3
参考答案:A
The Bull team ________ the football match and they _______ much experience in playing football.
A.gained; got
B.won; won
C.won; gained
D.got; got
女,16岁,脑外伤后,双眼睑皮下及球结膜下出血,鼻腔流出血性脑脊液。临床诊断最大可能是()。
A.颅顶骨凹陷性骨折
B.颅底前凹骨折
C.颅底中凹骨折
D.颅底后凹骨折
E.鼻骨骨折