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_爱下问搜题

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问题单项选择题

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

答案

参考答案：B

单项选择题

Questions 14-22

·Look at the ten statements for this part.
·You will hear apassage about "Credit Cards History ". You will listen to it twice.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Markyour answers on the Answer Sheet.

In 1977, Bank of America adopted "visa" as its credit card.

A．Right

B．Wrong

C．Not Mentioned

名词解释

生产与作业系统定位