问答题

抢修作业现场有哪些要求?

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简述燃气管网抢险抢修的流程。

单项选择题

Which of the following devices are protected from being motorized by a reverse-power relay?
A.Alternators
B.Wave guides
C.Exciters
D.Amplidynes

A.Alternators
B.Wave
B.Exciters
D.Amplidynes