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Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?（）

单选题
2022-01-04 11:24
A、The generator and bus transfer section
B、The 450 volt, 60 cycle, 3 phase bus
C、The 120 volt, 3 phase, 60 cycle bus
D、The 24 volt DC bu
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正确答案
D
试题解析
标签： 船舶电气与船舶安全
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