问题
单项选择题
电压为3-10kV级的小容量变压器需静置()h以上,待气泡逸出以后,才能测量绝缘电阻。
A.2
B.3
C.4
D.5
答案
参考答案:D
电压为3-10kV级的小容量变压器需静置()h以上,待气泡逸出以后,才能测量绝缘电阻。
A.2
B.3
C.4
D.5
参考答案:D
Passage Two
According to the spokeswoman for a local court, what is the most important feature of a tomato in deciding a tomato-throwing offense
A.Color.
B.Hardness.
C.Weight.
D.Quality.