不停电跨越作业,跨越电气化铁路时,跨越架与接触网的最小安全距离,应满足()kV电压等级的有关规定。
A.10
B.35
C.110
D.220
参考答案:B
Questions 14-22
In 1977, Bank of America adopted "visa" as its credit card.
A.Right
B.Wrong
C.Not Mentioned
生产与作业系统定位