单选题
当P5头顶板上的“BAT”(电瓶)电门设置到“ON”位后,电瓶将向(——)提供电源。
A
28V DC HOT BAT BUS
B
28V DC SWTICHED HOT BUS
C
28V DC BUS1
D
28V DC BUS2
答案解析
正确答案:B
题目纠错
培训教育知识题库2
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