题目内容

牵引变电所的主要设备有:()。

A. 牵引变压器
B. 高压开关设备
C. 互感器
D. 无功补偿装置

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更多问题

高速铁路主要采用哪种牵引供电系统供电方式?

When scanning, we should keep a specific set of goals in mind and avoid being distracted by other material. ( )

A. 对
B. 错

We search for all detailed information. ( )

A. 对
B. 错

We should do more reading as well as searching. ( )

A. 对
B. 错

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