单项选择题
中兴S385设备正常电压波动范围是()。
A.-57VDC~-40VDC
B.-58VDC~-41VDC
C.-55VDC~-36VDC
D.-58VDC~-38VDC
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单项选择题
A.-57VDC~-40VDC
B.-58VDC~-41VDC
C.-55VDC~-36VDC
D.-58VDC~-38VDC
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