单项选择题
（）is not installed on the main switchboard.
A.Ammeter and changeover switch
B.Power factor meter
C.Synchroscope
D.Reverse sequence relay
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相关考题
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单项选择题
（）is used to control, modulate, monitor and protect generator set.
A.Control panel
B.Load panel
C.Paralleling panel
D.Busbar -
单项选择题
（）is not a part of the main switchboard.
A.Busbar
B.Load panel of main generator
C.Paralleling panel
D.Shore connection box -
单项选择题
（）is not a part of the main switch board.
A.Control panel of main generator
B.Control panel of emergency generator
C.Paralleling panel
D.Load panel of main generator
