电压互感器二次短路会使一次( )。
A．电压升高B．电压降低C．熔断器熔断D．不变
参考答案：C
Never ________ forget the days when ________ together with you. [ ]
A. shall I; did I live
B. shall I; I lived
C. I shall; I lived
D. I shall; did I live
提速道岔每半年一次的集中检修的内容有哪些？
